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♦ 1Riede, Klaus (2004) Global Register of Migratory Species - from Global to Regional Scales. Final Report of the R&D-Projekt 808 05 081. 330 pages + CD-ROM
♦ 2Feeding habits of four species of mesopelagic fishes from the Northern Chilean, Eduardo Oliva A.1, Raúl Ulloa H.2 & Jorge Bleck Z., Rev. Biol. Trop. (Int. J. Trop. Biol. ISSN-0034-7744) Vol. 54 (2): 613-622, June 2006
♦ 3Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.