00533nam a2200157Ia 4500008004100000082001500041100002300056245006100079260005300140300001200193490002500205600004900230600002800279600003000307650003800337140224s9999 xx 000 0 und d a631.461 L1 aParkinson, D., ed. aMethods for studying the ecology of soil micro-organisms aLondonbInternational Biological Programmec1971 ax,116p. aIBP Hand book; no.19 a D.Parkinson, T.R.G.Gray (and) S.T.Williams. aGray, T.R.G., joint ed. aWilliams, S.T., joint ed. aSoil ecology,Soil micro-organisms