00292nam a2200109Ia 4500008004100000020002200041040002900063050002600092100001800118245001700136260002900153230107s9999||||xx |||||||||||||| ||und||  a978 0 333 54449 5  cChuka University Library  aCTA SB 613 bL38 1991  aLavabre, E.M. 0aWeed control  aMacmillan bOxfordc1991