Schumgge, T., Jackson, T. J., Kustas, W. P., Roberts, R. T., Parry R., Goodrich, D., Amer, S., and Weltz, PBMR Observations of Surface Soil Moisture in MONSOON 90.
Martinec, J., Rango, A., andRoberts, R.T. Rainfall-Snowmelt Peaks in a Warmer Climate. Symposium Proceedings, AWRA 28th Annual Conference, Reno, NV. 1992.
Roberts, R.T., and Thurman, J.L. A Graphical User Interface for ARS Water Data on CD-ROM. Symposium Proceedings, Federal Interagency Workshop of Hydrologic Modeling Demands for the 90's, Fort Collins, CO. Pp. 5-36 to 5-41. 1993.
Thurman, J.L. and Roberts, R.T. Use of an On-Line Information System and CD-ROMs for Dissemination of ARS Water Data. Symposium Proceedings, Federal Interagency Workshop of Hydrologic Modeling Demands for the 90's, Fort Collins, CO. Pp. 2-15 to 2-20. 1993.
Thurman, J.L. andR. T. Roberts. 1994. New Strategies for the Water Data Center, J. Soil and Water Cons. 50(5) 530-531.
Martinec,J., Rango, A., and Roberts, R. Modelling the Redistribution of Runoff Caused by Global Warming. AWRA Summer Symposium, Jackson Hole, WY. 1994.
Martinec, J., Rango, A., and Roberts, R.T. Snowmelt Runoff Model (SRM) User's Manual (Updated Edition 1994, Version 3.2). Geographica Bernensia, Department of Geography - University of Bern, 1994. 65pp.
Rango, A., Martinec, J., and Roberts, R., 1995. Climate effects on future runoff regimes of Pacific mountain tributaries, Proceedings of the Symposium on Water Resources and Environmental Hazards: Emphasis on Hydrologic and Cultural Insight in the Pacific Rim, American Water Resources Association, Honolulu, HI, pp. 161-172.
Martinec, J., Rango, A., and Roberts, R.T. Snowmelt Runoff Model (SRM) User's Manual (Updated Edition 1998, Version 4.0). Geographica Bernensia, Department of Geography - University of Bern, 1999. 84pp.
Rango,A., Martinec, J., and Roberts, R,T. Global Warming Effects on Snowfields and Water Supply Evaluated Using Snowmelt Modeling and Normalized Annual Data. Proceedings, 75th Annual Western Snow Conference, Kailua-Kona, Hawaii, 2007.
Rango, A., Martinec, J., Roberts, R.T. Relative importance of glacier contributions to streamflow in a changing climate. In: Proceedings 2nd IASTED International Conference Water Resources Management, August 20-22, 2007, Honolulu, Hawaii. p. 203-207. 2007.
Nemes, A., Roberts, R.T., Rawls, W.J., Pachepsky, Ya.A. and M.Th. van Genuchten. (2008). Software to estimate —33 and —1500 kPa soil water retention using the non-parametric k-Nearest Neighbor technique. Environmental Modelling and Software 23: 254-255. doi:10.1016/j.envsoft.2007.05.018.