Kenneth T. Frank, Brian Petrie, Jae S. Choi, William C. Leggett «Trophic Cascades in a Formerly Cod-Dominated Ecosystem». Science, 308, 5728, 2005, pàg. 1621–1623. DOI: 10.1126/science.1113075. PMID: 15947186.
Kenneth T. Frank, Brian Petrie, Jae S. Choi, William C. Leggett «Trophic Cascades in a Formerly Cod-Dominated Ecosystem». Science, 308, 5728, 2005, pàg. 1621–1623. DOI: 10.1126/science.1113075. PMID: 15947186.