00537nam a2200181Ia 4500008004100000082000800041082000800049100001600057245003600073260001400109260002500123260000900148300000800157650001600165942000600181999001500187952015300202230706s9999    xx            000 0 und d  a620  btra  atrajan (K.) 0aA. T.B. of Engineering Graphics  aNew Delhi  bDhanlaxmi Pub. Cheni  c2009  a490  aMathematics  cS  c9138d9138  r2023-07-06 00:00:00l0o620p13591v320.00w2023-07-06ySzScience10407000aSXCbSXCd2023-06-21eRadha Pustak Bhandar,g320.00A989B19/01/2015