TY  - BOOK
AU  - Kamel, Ahmed Aly
TI  - Perturbation theory based on life transforms and its application to the stability of motion near sun-perturbed earth-moon triangular liberation points [NASA CR-1622]
U1  - NASA 
PY  - 1970///
CY  - Washington, D. C. 
PB  - NASA
KW  - Perturbation theory
ER  -