000 00276nam a2200109Ia 4500
008 210324s1969 xx 000 0 und d
041 _aeng
082 _a531
100 _aTheraja, B. L.
_91575886
245 _aEngineering Physics
260 _aN. Delhi
_bNiraj Prakashan
_c1969
999 _c1024451
_d1024451