00318nam a2200109Ia 4500008004100000082001900041100002800060245005300088260003200141300001000173650002500183140113s9999    xx            000 0 und d  a632.954:65  M2  a" Gangastad, Edward O."  aWeed control methods for right-of-way management  b"Florida : CRC press, 1982"  a263p.  aWeed control methods