00302nam a2200097Ia 4500008004100000082002600041245008300067260002100150650001700171700001600188220204s9999    xx            000 0 und d  a632.51:631.348.4bJUL 0aBiological control of weeds:A world catalogue of agents and their target weeds  aSoughbCABc1982  aWeed control  aJULIEN, M H