1. Bodley, C. S., Devers, A. D., Park, A. C. and Frisch, H. P., A Digital Computer Program for the Dynamic Interaction Simulation of Controls and Structure (DISCOS), Vols. 1 and 2, NASA TP-1219, May 1978.
2. Frisch, H. P., A Vector-Dyadic Development of the Equations of Motion for N-Coupled Flexible Bodies and Point Masses, NASA TN D-8047, Aug. 1975.
3. Ho, J. Y. L., Direct Path Method for Flexible Multibody Spacecraft Dynamics, J. Spacecraft Rockets, Vol. 14, Jan.–Feb. 1977, pp. 102–111.
4. Ho, J. Y. L. and Herber D. R., Development of Dynamics and Control Simulation of Large Flexible Space Systems, J. Guide Control Dyn., Vol. 8, May–June 1985, pp. 374–384.
5. Singh, R. P., Vandervoort, R. J. and Likins, P.W., Dynamics of Flexible Bodies in Tree Topology—A Computer Oriented Approach, AIAA Paper 84-1024, 1984.