000 00318nam a2200121Ia 4500
082 _a384.51
_bMAN
245 _aMan-made moons
_b: satellite communications for schools
260 _aIslamabad
_bAIOU
_c1972
300 _b48p
546 _aeng
650 _aArtificial satellite in tele-communications
_914756
942 _cBK
999 _c13427
_d13427