00287nam a2200097Ia 4500008004100000082002800041100004800069245003400117260003000151300000800181140113s9999    xx            000 0 und d  a581.5:577.4(082.2)   L9  a"Kaufman, Peter. B. & La Croix, Donald. J."  aPlants people and environment  a1979bMacmillancNew York  a542