00310nam a2200121Ia 4500008004100000100002100041245004700062260003000109300000900139650001600148942000700164999001700171190216s9999||||xx |||||||||||||| ||und||  aHarswarup Sharma 2aA Text Book Of Vector Algebra And Calculus  bStudent Friends &coc1978  a180p  aMathematics  cBK  c30563d30563