000 00280nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a160 GAU:S
100 _aGautam
245 0 _aScientific Methods
260 _aDelhi
_bS. Chand & Co.
_c1972
942 _cWD
999 _c18991
_d18991