000 00312nam a22001217a 4500
999 _c346271
_d346271
020 _a9780857503572
082 _a523.8875 HAW
100 _aStephen, Hawking
245 _a Black holes : the BBC reith Lectures
260 _aLondon
_bTrans World Publishers
300 _av, 71
440 _a the BBC reith Lectures