Piersma, Theunis; Renee van Aelst, Karin Kurk, Herman Berkhoudt and Leo R. M. Maas. A New Pressure Sensory Mechanism for Prey Detection in Birds: The Use of Principles of Seabed Dynamics?. Proceedings: Biological Sciences. 1998, 265 (1404): 1377–1383. doi:10.1098/rspb.1998.0445.引文使用过时参数coauthors (帮助)
A study of the seasonal changes in avian testes （页面存档备份，存于互联网档案馆） Alexander Watson, J. Physiol. 1919;53;86-91, 'greenfinch (Carduelis chloris)', 'In early summer (May and June) they are as big as a whole pea and in early winter (November) they are no bigger than a pin head'
"Drinking Behavior of Mousebirds in the Namib Desert, Southern Africa "; Tom J. Cade and Lewis I. Greenwald; The Auk, V.83, No. 1, January, 1966pdf （页面存档备份，存于互联网档案馆）
"Drinking Behavior of Sandgrouse in the Namib and Kalahari Deserts, Africa"; Tom J. Cade, Ernest J. Willoughby, and Gordon L. Maclean; The Auk, V.83, No. 1, January, 1966pdf （页面存档备份，存于互联网档案馆）
"Drinking Behavior of Mousebirds in the Namib Desert, Southern Africa "; Tom J. Cade and Lewis I. Greenwald; The Auk, V.83, No. 1, January, 1966pdf （页面存档备份，存于互联网档案馆）
"Drinking Behavior of Sandgrouse in the Namib and Kalahari Deserts, Africa"; Tom J. Cade, Ernest J. Willoughby, and Gordon L. Maclean; The Auk, V.83, No. 1, January, 1966pdf （页面存档备份，存于互联网档案馆）
A study of the seasonal changes in avian testes （页面存档备份，存于互联网档案馆） Alexander Watson, J. Physiol. 1919;53;86-91, 'greenfinch (Carduelis chloris)', 'In early summer (May and June) they are as big as a whole pea and in early winter (November) they are no bigger than a pin head'
