00303    a2200121   4500020001800000082001500018100002300033245003300056260003800089300002500127650001000152650001900162  a9780123725189  a632.5bZIM  aZimdahl, Robert L.  aFundamentals of weed science  aLondonbElsevier Inc.c2007g2007  axxi,666p.billc24cm  aWeeds  aWeed - control