000 00309cam a2200121 4500
020 _a0860209377 (pbk.)
100 1 _aBUTTERFIELD Moira
245 0 _aSatellites & space stations
260 _aLondon:
_bUsborne Publishing,
_c1985
300 _a48p.
440 _aAn Usborne introduction
945 _i0010708
_rY
_sY
999 _c46005
_d46005