000			00323nam a22001337a 4500
003			OSt
008			240306b |||||||| |||| 00| 0 eng d
082			_a574.505 _bA23
100			_aCragg, J.B.,ed.
245			_aAdvances in ecological research
260			_aAcademic press /London _c1971
300			_a254
942			_2ddc _cPER
999			_c37856 _d37856