Authors: KARJALAINEN J RAHKOLA M VILJANEN M ANDRONIKOVA IN AVINSKII VA

Citation: J. Karjalainen et al., COMPARISON OF METHODS USED IN ZOOPLANKTON SAMPLING AND COUNTING IN THE JOINT RUSSIAN-FINNISH EVALUATION OF THE TROPHIC STATE OF LAKE-LADOGA, Hydrobiologia, 322(1-3), 1996, pp. 249-253