J. E. Draim

Elliptical orbit constellations-a new paradigm for higher efficiency in space systems?

P. Cefola, J. E. Draim, D. Castrel, 2000, 2000 IEEE Aerospace Conference. Proceedings (Cat. No.00TH8484).

Three- and four-satellite continuous-coverage constellations

J. E. Draim, 1985 .