00328nam a2200097Ia 4500008004100000082004300041100003000084245007500114260003300189300000800222140113s9999    xx            000 0 und d  a"58:502.757""1975.9.2/6""(082.2)   L6"  a"Simmons, J.B., et al�"  aConservation of Threatened plants (NATO conference series 1 . Ecology)  a1976bPlenum PresscNew York  a336