000 00300pam a2200121a 44500
008 230405s1991 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _asin S B
245 _aModern dictionary of physics
260 _anew delhi
_bDiscovery Publishing House
_c1991
300 _a372
906 _a2445
999 _c293788
_d293788