00493nam a2200205Ia 4500008004100000041001200041082001100053082001100064100002000075100001700095100001100112245005100123260001300174260002400187260000900211300001500220365002500235650001700260650001000277150909s9999    xx            000 0 und d  aEnglish  a632.58  bCHA/BI  aCharudattan R    aWalker H L    eEditor  aBiological controlof weed with plant pathogens  aNew York  bJohn Wiley and Sons  c1982  a293  Pages  aU.S.D 45.50           aWeed science  aWeeds