00492     2200157   4500001002100000008004500021035002000066245012600086260002800212300003000240084001600270082001000286650001000296650001200306990001600318INLIS000000000003865                                   Inggris    a0010-0621000151  aThe biology of weeds: A Symposium of The British Ecological Society. Oxpord, 2nd - 4th April 1959cEdited: John L. Harper  aOxpordbBlackwellc1960  axv, 256 p.: ill.;c23 cm.  a632.5 SYM b  a632.5  aWEEDS  aBIOLOGY  a159/KA/2021