00281nam a2200097Ia 4500008004100000082001600041100004700057245003300104260003800137300000800175140113s9999    xx            000 0 und d  a581.5    G8  a"Weaver, John.E. and Clemetns,Frederic.E."  a"Plant Ecology, 2nd edition"  a1938bMcGraw Hill BookcAmsterdam  a601