000			00298 a2200109 4500
008			180801b xxu||||| |||| 00|
100			_a Hill, T. A.
245			_aThe biology of weeds:studies in biology no 79 / _c Hill, T. A.
260			_bOxford &iBh Publisher. _c1977.
300			_a64p.
942			_2ddc _cBK
999			_c6805 _d6805