00455nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002300076100002100099245007400120250000600194260002800200300001100228650001500239700001900254Para_6735CHAP220125s1981    xx            000 0 und d  a205543  cCHAP  aPA 632.954 A8 1981  aAshton, Floyd M.  aMode of action of herbicides  /c by Floyd M. Ashton, Alden S. Crafts  a2  aNew York :b John Wiley  a525 p.  aHerbicidas  aCrafts, Aldens