00303nam a22001097a 4500003000400000008004100004082001800045100002300063245007000086260002900156300000800185OSt240116b        |||||||| |||| 00| 0 eng d  aR630.72bS99P  aA.P.A.U, Hyderabad  aFifty years of research in the service of Andhra Pradesh farmers.  aHyderabadbA.P.A.Uc1979  a216