TY - STD AU - European Network of Fresh-Water Research Organisations PY - 1994 DA - 1994/1997/ TI - Technical review / European Network of Fresh Water Research Organizations CY - [Wechselnde Verlagsorte] SN - 1430-9297 LA - English N1 - 1.1994 - 4.1997 ID - 22799972X ER -