APA

Freitag A., Martinoli A. & Urzelai J. (2001). Monitoring the feeding activity of nesting birds with an autonomous system : case study of the endangered Wryneck Jynx torquilla. [ S. l ]: British Trust for Ornithology.

Chicago

Freitag Anne, Martinoli Alcherio and Urzelai Joseba. 2001. Monitoring the feeding activity of nesting birds with an autonomous system : case study of the endangered Wryneck Jynx torquilla. [ S. l ]: British Trust for Ornithology.

Harvard

Freitag A., Martinoli A. and Urzelai J. (2001). Monitoring the feeding activity of nesting birds with an autonomous system : case study of the endangered Wryneck Jynx torquilla. [ S. l ]: British Trust for Ornithology.

MLA

Freitag Anne, Martinoli Alcherio and Urzelai Joseba. Monitoring the feeding activity of nesting birds with an autonomous system : case study of the endangered Wryneck Jynx torquilla. [ S. l ]: British Trust for Ornithology. 2001.