00350nam a2200133 a 450000500170000000800410001704100080005808200110006610000170007724500380009426400560013230000110018865000170019920260717091246.0260717s1988    ii            000 0 eng d  aeng04a576.151 aCampbell, R.10aMicrobial ecology /cCampbell, R. 1aLondon :bBlackwell Scientific Publications,c1988.  a191 p. 4aMicrobiology