TY - GEN AU - Haaparanta, A. AU - Valtonen, E. AU - Hoffmann, R. TI - Gill anomalies of perch and roach from four lakes differing in water quality KW - Ciencias Biologicas KW - 0220 - Depósito de Retaguarda UR - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/dr.htm ER -