1.

Technical Paper

Technical Paper
Hattis, Philip D. ; Malchow, Harvey L.
Pub. info.: NASA Technical Reports.  (NASA-CR-189703),  pp.1-86,  1992.  National Aeronautics and Space Adminstration
2.

Technical Paper

Technical Paper
Hattis, Philip D. ; Malchow, Harvey L.
Pub. info.: NASA Technical Reports.  (NASA-CR-187623),  pp.1-11,  1991.  National Aeronautics and Space Adminstration