00942cam a22002657a 450000500170000000800410001701000100005801100100006803500100007808200200008811100710010824500770017926000420025630000300029859000410032859000410036959000410041059000420045165000230049365000350051665000410055190100070059294900600059999900170065920220329141226.0971010s1988            r     10010     d  a64696  a65668  a72929  a632.58bS6 198800aSouthern Weed Conference (n41d: 1988c: Tulsa, Oklahoma)9108981 0aProceedingsb: environmental legislation and its effects on weed science  aTulsa, Oklahoma :bThe Society,c1988  a477 p.b: ilus., gráfs.  aBATCH-UPDb10c20130110lUCH01h0911  aBATCH-UPDb10c20130410lUCH01h0536  aBATCH-UPDb10c20130914lUCH01h1608  aCONVERSIONb10c20130109lUCH01h133514aHerbicidas.95369114aMalas hierbasxControl.97001114aMedio ambientexProtección.974106  aBK  a632.58 S6 1988bPAcLIBROd-5675eLIBROh1632i72929si  c64696d64696