1.

Technical Paper

Technical Paper
Ponzoni, Flavio Jorge ; Disperati, Attilio ANtonio
Pub. info.: NASA Technical Reports.  pp.1-67,  1992.  National Aeronautics and Space Adminstration
2.

Technical Paper

Technical Paper
Florenzano, Teresa Gallotti, ; Filho, Mario Valerio ; Rodrigues, Ricardo Leonardo Vianna
Pub. info.: NASA Technical Reports.  pp.1-33,  1990.  National Aeronautics and Space Adminstration