1.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  (NASA-CR-183845),  pp.1-85,  1989.  National Aeronautics and Space Adminstration
2.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  (NASA-CR-183840),  pp.1-61,  1989.  National Aeronautics and Space Adminstration
3.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports(N89).  (NASA-CR-184847),  pp.1-25,  1989.  National Aeronautics and Space Administration
4.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  (NASA-CR-183844),  pp.1-96,  1989.  National Aeronautics and Space Adminstration
5.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  (NASA-TM-101797),  pp.1-,  1989.  National Aeronautics and Space Adminstration
6.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  pp.1-202,  1989.  National Aeronautics and Space Adminstration
7.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports(N89).  (NASA-CR-183613),  pp.1-28,  1988.  National Aeronautics and Space Administration
8.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  (NASA-CR-183842),  pp.1-110,  1989.  National Aeronautics and Space Adminstration
9.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  pp.1-26,  1989.  National Aeronautics and Space Adminstration
10.

Technical Paper

Technical Paper
*
Pub. info.: NASA Technical Reports.  (NASA-CR-183841),  pp.1-151,  1989.  National Aeronautics and Space Adminstration