00459nam a2200157Ia 4500008004100000082001900041100001800060245004000078260002000118300001000138490002500148600005000173600002900223600003400252650001500286140224s9999 xx 000 0 und d a631.674(02) l2 aMichael, A.M. aDesign and evaluation of irrigation aNew Delhic1972 a208p. aIARI, Monograph no.1 a A.M.Michael, Shri Mohan and K.R.Swaminathan. aShriMohan, joint author aSwaminathan, K.R., jt. author aIrrigation