Authors: LAPPALAINEN J LEHTONEN H BOHLING P ERM V

Citation: J. Lappalainen et al., COVARIATION IN YEAR-CLASS STRENGTH OF PERCH, PERCA-FLUVIATILIS L AND PIKEPERCH, STIZOSTEDION-LUCIOPERCA (L), Annales zoologici Fennici, 33(3-4), 1996, pp. 421-426