000 00310nam a2200133Ia 4500
008 221001s1975 xx 000 0 eng d
082 _a160 GAU
100 _aGautam, J. K.
245 0 _aScientific method
250 _a3rd ed.
260 _aDelhi
_bR. Chand
_c1975
300 _aviii, 226p.
942 _2ddc
_cBK
999 _c12782
_d12782