00293nam a2200109Ia 4500008004100000082001300041100002600054245002400080260004800104300001000152650002100162140113s9999    xx            000 0 und d  a581.3 K0  a" Sinnott, Edmund W."  aPlant morphogenesis  b"New York : McGraw-hill book company, 1960"  a550p.  aPlant morphology