00248nam a2200097Ia 4500008004100000100002500041245002800066260003000094260000900124999001700133170620s9999    xx            000 0 und d  aRawat- D. S. (Hindi) 0aVigyan Shikshan (Hindi)  bAgra- Vinod Pustak Mandir  c1977  c23851d23851