Petrovich, G. V.
Soviet encyclopedia of Space flight - 1st ed. - Moscow Mir Publishers 1969 - 617p. ills. 24 cm.
Astronautics - Dictionaries
629.130947 / PET/1969
Soviet encyclopedia of Space flight - 1st ed. - Moscow Mir Publishers 1969 - 617p. ills. 24 cm.
Astronautics - Dictionaries
629.130947 / PET/1969