000 00335nam a22001337a 4500
008 240517b |||||||| |||| 00| 0 eng d
020 _a0471125806
050 _aQB55
_b.P87
100 _aPUKOVER, Clifford
245 _aBlack Holes A Traveler's Guide
260 _aNew York
_bJohn Wiley & Sons
_c1996
300 _axiv, 210p.
942 _cBK
999 _c641
_d641