000			00357nam a2200145 4500
008			160616s1986 000 0
245			_aQuantum concepts in space and time
100			_aPenrose, R
100			_aIsham, C.J., Ed.
260			_c1986
260			_bClarendon Press: Oxford
500			_aCN1 M64
942			_cBK _2BK4692
080			_a530.145 PEN
999			_c4692 _d4692