00337nam a2200109Ia 4500008004100000082001500041100002000056245009200076250000800168260004300176300000800219190709s9999    xx            000 0 und d  a581.5 T159  aTansley, Arthur 0aIntroduction to Plant Ecology : a guide for beginners in the study of plant communities  a3rd  aLondonbGeorge Allen & Unwin Ltdc1958  a263