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Citation: K. Kinnunen et M. Leppanen, O A MATRIX AND A TECHNIQUE FOR METHODOLOGY ENGINEERING/, The Journal of systems and software, 33(2), 1996, pp. 141-152

Authors: RISTOLA T PELLINEN J LEPPANEN M KUKKONEN J

Citation: T. Ristola et al., CHARACTERIZATION OF LAKE-LODOGA SEDIMENTS .1. TOXICITY TO CHIRONOMUS-RIPARIUS AND DAPHNIA-MAGNA, Chemosphere, 32(6), 1996, pp. 1165-1178

Authors: RISTOLA T PELLINEN J VANHOOF PL LEPPANEN M KUKKONEN J

Citation: T. Ristola et al., CHARACTERIZATION OF LAKE-LADOGA SEDIMENTS .2. TOXIC-CHEMICALS, Chemosphere, 32(6), 1996, pp. 1179-1192

Authors: HARKONEN G LEPPANEN M SOININEN E TORNQVIST R VILJANEN J

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Authors: LEPPANEN M

Citation: M. Leppanen, THE ROLE OF FEEDING-BEHAVIOR IN BIOACCUMULATION OF ORGANIC-CHEMICALS IN BENTHIC ORGANISMS, Annales zoologici Fennici, 32(3), 1995, pp. 247-255