00422nam a2200157Ia 4500008004100000082001800041100001900059245004100078260004500119300000800164650002300172650001800195653002000213653001800233653001300251170901s1957    xx            000 0 und d  a581.134bW31E  aWent, Frits W. 0aExperimental Control of Plant Growth  aNew YorkbThe Ronald Press Companyc1957  a343  aBotanical sciences  aPure Sciences  aGrowth (Plants)  aPlant ecology  aResearch