Observatories in Earth Orbit and Beyond
Proceedings of the 123RD Colloquium of the International Astronomical Union, Held in Greenbelt, Maryland, U.S.A., April 24 27,1990
Автор:
Y. Kondo
Наличност:
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52.75
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103.17 лв
Proceedings of the 123rd Colloquium of the International Astronomical Union, held in Greenbelt, Mary...
