000 00275nam a2200121Ia 4500
999 _c6782
_d6782
100 _aGupta K N
245 _aWorkshop Calculations and Science Vol - I
250 _a4
260 _c1974
_bNEW HEIGHTS
_aDelhi
300 _aiv+201+108
700 _aKaushish J P
942 _cBK