TY - GEN ED - Hydrobiological Bulletin TI - Hydrobiological bulletin - research on perturbed aquatic ecosystems T2 - Netherlands Journal of Hydrobiological Society PY - 0000///Journal of the Netherlands Hydrobiological Society CY - [S.l.] PB - 1990 KW - Ecosistemas KW - D 00 KW - D 10 ER -