00276nam a2200097Ia 4500008004100000082002800041100002000069245004100089260004000130300000800170140113s9999    xx            000 0 und d  a581.135:543(082.2)   L8  a"Hillman, J.R."  aIsolation of plant growth substances  a1978bCambridge Univ. PresscLondon  a157