000 00292nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.75 S4955
100 _aSETHI,G.S
245 0 _aWORKSHOP SCIENCE
260 _aNEW DELHI
_bTata McGraw-Hill
_c1984
300 _a23X16
942 _cBK
_2DDC
999 _c19217
_d19217