TY  - BOOK
AU  - Van Allen,James A.
TI  - Scientific uses of earth satellites
U1  - 551.514072 
PY  - 1958///
CY  - Ann Arbor, Mich.
PB  - University of Michigan Press
KW  - Ionosphere
KW  - research
KW  - Cosmic physics
KW  - Scientific satellites
ER  -