00293nam a2200121Ia 4500008004100000100003100041245002800072260002700100300000900127650001300136942000700149999001500156190216s9999||||xx |||||||||||||| ||und||  aVerma Mm & Agarwal R K 0aQuantitative Techniques  bForward Book Depc1982  a416p  aCommerce  cBK  c5522d5522