00269nam a2200097Ia 4500008004100000082001600041100001900057245004600076260004100122300000800163140113s9999    xx            000 0 und d  a581.52   K6  a"Pierre, W.H."  aPlant environment and efficient water use  a1966bAmerican Soc. AgronomycU.S.A.  a295