000 00284nam a22001337a 4500
020 _a0-534-07926-1
082 _a392/02
100 _aMichl A. Seedsea
_989773
245 _aHorizons, Exloring the Universe
250 _a1987, ed
260 _c1987
300 _a484p
942 _cBK
999 _c70036
_d70036