000 00288nam a2200121Ia 4500
008 211209s1997 xx 000 0 und d
041 _aeng
082 _aGAU/GUP
100 _aGAUR, R K
245 _aENGINEERING PHYSICS
260 _aNEW DELHI
_bDHANPAT RAI & SONS
_c1997
300 _a1020
999 _c25938
_d25938