1. AAguilar. 1985 . Biologia y dinamica poblacional del rorcual comun(Balaenoptera physalus) en las aguas Atlanticas ibericas . Ph.D. dissertation , Faculty of Biology, University of Barcelona, Barcelona, Spain, 487 pp.
2. AAguilar. 2006 . Catches of fin whales around the Iberian Peninsula: Staitistics and sources . International Whaling Commission doc. SC/14/FW/17-SC/M06/FW17, 12 pp. (Available from IWC, The Red House, 135 Station Road, Impington, Cambridge CB24 9NP, U.K.)
3. Bowhead Whales in the Eastern Arctic, 1611-1911: Population Reconstruction with Historical Whaling