00792nam0-22002891i-450-990001013120403321000101312FED01000101312(Aleph)000101312FED01000101312--------d--------km-y0itay50------baeng<<The >>Exploration of SpaceA Symposium on Space Physics (April 29-30, 1959)Edited by Robert JastrowNew YorkMacmillan1960AstronomiaAstrofisicaCosmologia520523Jastrow,Robert48001ITUNINARICAUNIMARCBK99000101312040332119-0221810FI1FI1Exploration of Space335353UNINA00364nam 2200157z- 450 9910773418703321(WsH)locahtc(CKB)5490000000495006(EXLCZ)99549000000049500620230719c1977uuuu -u- -engJapanBOOK9910773418703321Japan260276UNINA