00265nam a2200073Ia 4500008004100000082002200041245009400063260003400157220204s9999    xx            000 0 und d  a581.1(031)bENC.2 0aEncyclopedia of plant physiology. New Series. V 2. Transporot in plants. II. Pt A. Cells.  aBerlinbSpringer verlagc1976