00306nam a2200109Ia 4500008004100000082002600041100002100067245002400088260004400112650001700156700002300173220204s9999    xx            000 0 und d  a632.51:631.348.4bCRA  aCRAFTS,  Alden S 0aModern weed control  aBerkeleycUniversity of California;1975  aWeed control  aROBBINS, Wilfred W