00354nam a2200109Ia 4500082002400000100003300024245011600057260002900173300000900202500000500211700002800216  a338.1630954bJ63.IC  aJodha, N. S. and Ryan, J. G.  aICRISAT study of traditional farming systems in the semi-arid tropics of India; work plan and related aspectsb  aHyderabadbICRISATc1975  a38p.  a  aRyan, J. G. ; jt. auth.