00305nam a2200109Ia 4500008004100000082001300041100003100054245004500085260003600130300001000166650001900176140113s9999    xx            000 0 und d  a581.5 M2  a" Silvertown, Jonathan W."  aIntroduction to plant population ecology  b"Longmans, Green and co., 1982"  a209p.  aBotany-Ecology