1.

Technical Paper

Technical Paper
Zhang, K.Y.
Pub. info.: NASA Technical Reports.  (UTIAS-304),  pp.1-234,  1686.  National Aeronautics and Space Administration
2.

Technical Paper

Technical Paper
AENISHANSLIN, M. H.
Pub. info.: NASA Technical Reports(N88-).  (ESA-CR(P)-2583; SE/LS/AP-36-818/CN),  pp.1-65,  1687.  National Aeronautics and Space Administration
3.

Technical Paper

Technical Paper
Yedavalli, R.K.
Pub. info.: NASA Technical Reports.  (NASA-CR-176858),  pp.1-63,  1686.  National Aeronautics and Space Administration
4.

Technical Paper

Technical Paper
GODDARD, N. D.R. et al.
Pub. info.: NASA Technical Reports(N89).  (PNR90300),  pp.1-7,  1688.  National Aeronautics and Space Administration
5.

Technical Paper

Technical Paper
Hudson, Robert D.
Pub. info.: NASA Technical Reports.  (NASA-CR-195110),  pp.1-17,  1664.  National Aeronautics and Space Adminstration