Tull, R.G., "A Comparison of Photon-Counting and Current-Measuring Techniques in Spectrophotometry of Faint Sources," Appl. Opt. 7, 2023, 1968.
Tull, R.G., "A Single-Photon-Counting Astronomical Spectrophotometer," Appl. Opt. 7, 2019, 1968.
Tull, R.G., "Shop-Testing a 107-Inch Telescope Mirror," Sky & Tel. 36, 213, 1968.
Tull, R.G., "Wavelength Errors in Spectrographs. I. The Effect of Surface Irregularities in Camera Mirrors," Appl. Opt. 8, 1635, 1969.
Tull, R.G., "Planetary Spectroscopy with the 107-Inch Telescope," Sky & Tel. 38, 156, 1969.
Tull, R.G., "The Latitude Variations of Water Vapor on Mars," IAU Symp. 40, Planetary Atmospheres, 237, 1971.
Tull, R.G., "High Dispersion Spectroscopic Observations of Mars IV. The Latitude Distribution of Atmospheric Water Vapor," Icarus 13, 43, 1970.
Tull, R.G., Barker, E.S., Schorn, R.A., Woszczyk, A., and Little, S.J., "Mars: Detection of Atmospheric Water Vapor During the Southern Hemisphere Spring and Summer Season," Science 170, 1308, 1970.
Tull, R.G., Wagner, R.L., Byrd, G.G., and Loren, R.B., "Spectrophotometry of Nova Serpentis 1970," Astrophys. J. 165, 431, 1971.
Hubbard, W.B., Nather, R.E., Evans, D.S., Tull, R.G., Wells, D.C., Van Citters, G.W., Warner, B., and Vanden Bout, P., "The Occultation of Beta Scorpii by Jupiter and Io. I. Jupiter," Astron. J. 77, 41, 1972.
Tull, R.G., "The Coudé Spectrograph and Echelle Scanner of the 2.7-M Telescope at McDonald Observatory," Proc. ESO/CERN Conf. on Auxiliary Instrumentation for Large Telescopes, 259, 1972.
Tull, R.G., and Nather, R.E., "Experimental Use of Self-Scanned Photodiode Arrays in Astronomy," in Astronomical Observations with Television-Type Sensors, Symposium Proceedings, Univ. British Columbia, Vancouver, p. 171, 1973.
Choisser, J.P., Nather, R.E., and Tull, R.G., "A Self-Scanned Digital Image Tube," Proc. SPIE 44, 83, 1974.
Tull, R.G., Choisser, J.P., and Snow, E.H., "Self-Scanned Digicon: A Digital Image Tube for Astronomical Spectroscopy," Appl. Opt. 14, 1182, 1975.
Tull, R.G., "High Dispersion Spectrophotometry with the Self-Scanned Digicon," Topical Meeting on Imaging in Astronomy, June 18-21, 1975, Cambridge, Mass., p. FB9.
Tull, R.G., "Self-Scanned Digicon: Present Status and Future Developments," invited review, Proc. IAU Colloq. 40, Astronomical Applications of Image Detectors with Linear Response, ed. M. Duchesne and G. Lelievre, Paris, p. 23-1, September 6-8, 1976.
Tull, R.G., "Diode Array Detectors in Astronomy," invited review, IAU Comm. 9, Grenoble, France, August 1976.
Snell, R., Tull, R., Vanden Bout, P., and Vogt, S., "A Measurement of the Interstellar 12C/13C Isotopic Abundance Ratio Toward zeta Oph from Observations of the lambda 3957 Line of CH+," IAU Comm. 48, Grenoble, France, Aug 1976.
Tull, R.G., and Vogt, S., "A High-Dispersion Photometric Atlas of the DM0 Star HD 88230 from 3900 to 6000 Å," Astrophys. J. Suppl. 34, 505, 1977.
Tull, R.G., "Making Every Photon Count: New Frontiers in Astronomical Detectors and Their Application to Telescopes of Moderate Size," Proc. Southwest Regional Conf. for Astron. and Astrophys. III, ed. P.F. Gott and P.S. Riherd, 83, 1977.
Vogt, S., Tull, R.G., and Kelton, P., "Self-Scanned Photodiode Array: High-Performance Operation in High Dispersion Astronomical Spectrophotometry," Appl. Opt. 17, 574, 1978.
Vanden Bout, P.A., Snell, R.L., Vogt, S.S., and Tull, R.G., "Observations of Interstellar Lithium Toward zeta Per and epsilon Aur," Ap. J. 221, 598-600, 1978.
Tull, R.G., Vogt, S.S., and Kelton, P.W., "Application of a Dual-Array Self-Scanned Digicon to Faint Object Spectroscopy," Proc. SPIE 172, 1979.
Netzer, H., Wills, B.J., Uomoto, A.K., Rybski, P.M., and Tull, R.G., "Variability of the Optical Spectra of Two Quasars," Astrophys. J. Letters 232, L155, 1979.
Vogt, S.S., Tull, R.G., and Kelton, P.W., "Performance of the Zeeman Analyzer System of the McDonald Observatory 2.7-m Telescope," Astroph. J. 236, 308, 1980.
Tull, R.G., Dittmar, D.N., Ray, F.B., and Pearson, E., "Optical System for the University of Texas 7.6-M Telescope," ICO-12 and IAU Comm. 9 Conf. on Astronomical Instruments, Graz, Austria, Sept. 1981.
Tull, R.G., Barnes, T.G., Dittmar, D.N., Ray, F.B., and Pearson, E., "Optical System for the University of Texas 7.6-M Telescope," Proc. IAU Coll. 67, Instrumentation for Astronomy with Large Optical Telescopes, ed. C. M. Humphries, 37, 1982.
Tull, R.G., "The University of Texas 7.6-M Telescope," in Very Large Telescopes, Their Instrumentation and Programs, IAU Colloq. 79, 789, 1984.
Tull, R.G., "A Comparison of Holographic and Echelle Gratings in Astronomical Spectrometry," in Instrumentation for Ground-Based Optical Astronomy, Present and Future, Proc. Santa Cruz Summer Workshop in Astron. & Astrophys., July 1987, ed. L.B. Robinson, Springer-Verlag, N.Y., 104, 1988.
MacQueen, P.J., and Tull, R.G., "A New High-Resolution CCD Spectrometer for the McDonald Observatory 2.7-m Telescope," in Instrumentation for Ground- Based Optical Astronomy, Present and Future, Proc. Santa Cruz Summer Workshop in Astron. & Astrophys., July 1987, ed. L.B. Robinson, Springer-Verlag, N.Y., 52, 1988.
Tull, R.G., and MacQueen, P.J., "Design of a New Cross-Dispersed High-Resolution Spectrograph for the 2.7-M Telescope at McDonald Observatory," Proc. ESO Conf. "Very Large Telescopes and Their Instrumentation," ed. M.-H. Ulrich, Garching, 1235, 1988.
Tull, R.G., MacQueen, P.J., Sneden, C., and Lambert, D.L., "The McDonald 2.7-m Echelle Spectrometer," ASP Conf. Series "Optical Astronomy from the Earth and Moon," 1993.
Tull, R.G., "High Resolution Spectrograph for the Spectroscopic Survey Telescope," Proc. SPIE Conf. 2198, Instrumentation in Astronomy VIII, 674, 1994.
Tull, R.G., MacQueen, P.J., Sneden, C., and Lambert, D.L., "The High- Resolution Cross-Dispersed Echelle White-Pupil Spectrometer of the McDonald Observatory 2.7-M Telescope," Publ. ASP 107, 251, 1995.
Pilachowski, C., Dekker, H., Hinkle, K., Tull, R., Vogt, S., Walker, D.D., Diego, F., and Angel, R., "High-Resolution Spectrographs for Large Telescopes," Publ. ASP 107, 983, 1995.