00776nam0-22002891i-450-99000025816040332120001010000025816FED01000025816(Aleph)000025816FED0100002581620001010d--------km-y0itay50------baitay-------001yySatelites y educacionTeofilo M. Tabanera.Buenos AiresAngel Estrada1971XVII, [1], 298, [2] p. ill. 20 cmSatellitiTabanera,Teofilo M.12982ITUNINARICAUNIMARCBK99000025816040332109 047-001DINAEDINAESatelites y educacion117495UNINAING01