A historical ecology of two closely related gull species (Laridae) : multiple adaptations to a man-made environment
Camphuysen, K.C.J. (2013). A historical ecology of two closely related gull species (Laridae) : multiple adaptations to a man-made environment. PhD Thesis. Rijksuniversiteit Groningen: [s.l.]. ISBN 9789090275383. 410 pp. hdl.handle.net/11370/19ccc1a5-df8b-461d-9009-521a9f28b840