00705nam a2200193 a 4500 3528023023 DJBF 574 VIE 1991 C155 Or. Biological monitoring : signals from the environment / Braunschweig : Vieweg, c1991. 318 p. : ill. ; 24 cm. "A publication of Deutsches Zentrum für Entwicklungstechnologien- GATE, a division of the Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) GmbH." Indicators (Biology) Biological monitoring. Environmental auditing. Ellenberg, Hermann. German Appropriate Technology Exchange. AEDBB 18832 18832 0 0 0 574_000000000000000_VIE_1991_C155_OR 0 83402 LBC LBC 2020-01-28 A39336 574 VIE 1991 C155 Or. 2020-01-28 EK