1.

Technical Paper

Technical Paper
Nguyen, Charles C. ; Antrazi, Sami
Pub. info.: NASA Technical Reports.  (NASA-CR-186813),  pp.1-12,  1990.  National Aeronautics and Space Adminstration
2.

Technical Paper

Technical Paper
Nguyen, Charls C. ; Antrazi, Sami ; Zhou, Zhen-Lei
Pub. info.: NASA Technical Reports.  (NASA-CR-187660),  pp.1-20,  1991.  National Aeronautics and Space Adminstration