Seifert, H. S., & Seifert, M. H. (1964). Orbital space flight: The physics of satellite motion. New York: Holt, Rinehart and Winston.
Παραπομπή Chicago StyleSeifert, Howard S., and Mary Harris Seifert. Orbital Space Flight: The Physics of Satellite Motion. New York: Holt, Rinehart and Winston, 1964.
Παραπομπή MLASeifert, Howard S., and Mary Harris Seifert. Orbital Space Flight: The Physics of Satellite Motion. New York: Holt, Rinehart and Winston, 1964.
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