000 00330nam a2200121Ia 4500
100 _aChitanand, Arun B. and Dhobley, B. R.
250 _aSecond edition
942 _cBK
245 _aScientific methods, science technology & development
260 _aVipul prakashan, Mumbai
_c1979
082 _a501.018 Chi/Dho
300 _aii, 249
999 _c12267
_d12267