TY - BOOK ID - 134394592 TI - Artificial satellites and the earth's atmosphere PY - 1959 VL - no. 851 PB - San Francisco : W. H. Freeman, DB - UniCat KW - Upper atmosphere. KW - Haute atmosphère UR - https://www.unicat.be/uniCat?func=search&query=sysid:134394592 AB - ER -