000 00291nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aNorman H Crowhurst
245 0 _aTaperecording
260 _bDb.Taraporevala Sons &co
_c1971
300 _a112p
650 _aPhysics
942 _cBK
999 _c33056
_d33056