00365nam a2200133Ia 4500008004100000082002500041100002400066245003100090260004500121300001000166600002200176600002200198650001100220140113s9999    xx            000 0 und d  a581.824.2:581.112 L1  a" Crafts, Alden S."  aPhloem transport in plants  b"London : W.H Freeman and company, 1971"  a481p.  a" Crisp, Carl E."  a" Crisp, Carl E."  aPhloem