000 00302nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aGUPTA, J B
245 0 _aAD. PROBLEMS IN PHYSICS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1990
300 _a501
942 _2ddc
999 _c56781
_d56781