000 00294nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a530 G273
100 _aGAUR,R.K
245 0 _aENGINEERING PHYSICS
260 _aDELHI
_bDhanpat Rai Publications
_c1992
300 _a14X18
942 _cBK
_2DDC
999 _c46029
_d46029