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    Mission Requirements for Exobiological Measurements on Venus

    Riesen, W. H. / Roberts, D. L. | NTRS | 1966

    Numerical prediction of 3-D ejector flows

    Roberts, D. W. / Paynter, G. C. | NTRS | 1979

    Radar exploration of Venus

    Goldman, H. L. / Roberts, D. L. | NTRS | 1970

    Criteria for lunar site selection

    Binder, A. B. / Roberts, D. L. | NTRS | 1970

    Missions to the comets.

    Friedlander, A. L. / Roberts, D. L. | NTRS | 1969

    Shuttle VLBI experiment. Technical working group summary report

    Morgan, S. H. / Roberts, D. H. | NTRS | 1982

    Mineral Mapping Using Partial Unmixing at Ray Mine, AZ

    McCubbin, I. / Green, R. / Lang, H. et al. | NTRS | 1998

    Radio interferometry from space platforms

    Roberts, D. H. / Morgan, S. H. / Burke, B. F. et al. | NTRS | 1984

    Engineering evaluations and studies. Volume 2: Exhibit B, part 1

    Cheng, U. / Dodds, J. G. / Holmes, J. K. et al. | NTRS | 1983