TY  - BOOK
AU  - Petrov,V.
AU  - Sharma,B.S.
TI  - Artficial satellites of the earth
U1  - 629.13882 
PY  - 1960///
CY  - Delhi
PB  - Hindustan Pub
KW  - Artificial satellites
KW  - Space vehicles
KW  - Anti-satellite weapons
KW  - Launching
N1  - Bibliography: p. 264-267
ER  -