00331nam a2200157Ia 4500008004100000020000900041035001000050082001400060100002400074245002200098250000600120260002200126300000900148500001000157650000600167210723s9999||||xx |||||||||||||| ||und||  aNULL  a20919  BMAL / AGG  aMalhotra / Aggarwal 0aI I T Mathematics  a-  aN. DelhibArchana  a1131  a10090  a-