1.

Technical Paper
Technical Paper
1. Production and Use of Metals and Oxygen for Lunar Propulsion
Hepp, Aloysius F. ; Linne, Diane L. ; Landis, Geoffrey A. ; Groth, Mary F. ; Colvin, James E.
Pub. info.: NASA Technical Reports.  (NASA-TM-105195),  pp.1-13,  1991.  National Aeronautics and Space Adminstration
2.

Technical Paper
Technical Paper
2. Material Processing With Hydrogen and Carbon Monoxide on mars
Hepp, Aloysius F. ; Landis, Geoffrey A. ; Linne, Diane L.
Pub. info.: NASA Technical Reports.  (NASA-TM-104405),  pp.1-11,  1991.  National Aeronautics and Space Adminstration
3.

Technical Paper
Technical Paper
3. Chemical Approaches to Carbon Dioxide Utilization for Manned Mars Missions
Hepp, Aloysius F. ; Landis, Geoffrey A. ; Kubiak, Clifford P.
Pub. info.: NASA Technical Reports.  (NASA-TM-103728),  pp.1-22,  1991.  National Aeronautics and Space Adminstration