00268nam a2200097Ia 4500008004100000082001700041100003200058245003400090260003800124300000800162140113s9999    xx            000 0 und d  a632.954   L3  a"Ashton, M. & Crafts, A.S."  aMode of action of herbicides.  a1973bJohn Wiley & SonscNew York  a504