000 00285nam a2200121Ia 4500
008 160921s9999 xx 000 0 und d
020 _a0-385-48014-8
100 _aHAZEN ROBERT M
245 _aWHY AREN'T BLACK HOLES BLACK
260 _bANCHOR
_c1997
300 _a350
942 _cBK
999 _c10853
_d10853