00442nam a2200181Ia 4500001000900000003000500009005001700014008004100031010001100072040000900083082001300092100001800105240003500123245005500158260002000213300001000233650001700243dia_1322CHAP20230126130432.0220117s1980    xx            000 0 und d  a171869  cCHAP  a574.5 E5  aEllwood, D. C  aContemporary Microbial Ecology  aContemporary microbial ecology /c by d.c. ellwood  aNew York.c1980  a438 p  a1.Ecología