Abstract
FEMS Microbiology Ecology 31 (2000) 1-9. doi:10.1016/S0168-6496(99)00071-9Received by publisher: 1999-01-04Harvest Date: 2016-01-04 12:21:38DOI: 10.1016/S0168-6496(99)00071-9Page Range: 1-