1. Williams, S. D., Curry, D. M., Chao, D., and Pham, V. T.NASA Technical Memorandum 104792, 1994.
2. Opila, E. J.NASA/TM-2009-215650, 2009.
3. Opila, E. J. and Robinson, R. C.Can be downloaded from NASA technical report server,Document ID 20010079793,http://ntrs.nasa.gov/search.jsp, 1999.
4. Opila, E. J. and Serra, J. L., Can be downloaded from NASA technical report server,Document ID 20080012610,http://ntrs.nasa.gov/search.jsp, 2007.
5. Jacobson, N. S. and Rapp, R. A.NASA Technical Memorandum 106793, 1995.