00273nam a22000977a 4500003000400000008004100004082002200045100001900067245003500086260005400121OSt230609b        |||||||| |||| 00| 0 eng d  a636.0896014bM55V  aMerchant, I.A.  apasu jivanu aur vishanu vigyan  aLucknowbUttar Pradesh Hindi Granth Academyc1973