00272nam a2200097Ia 4500008004100000100003000041245004400071260003300115260000900148999001700157170620s9999    xx            000 0 und d  aAtri- Vinod Kumar (Hindi) 0aShaikshik takniki evam prabandh (Hindi)  bNew Delhi- Sumit Enterprises  c2006  c24532d24532