• Author: Daan, S. C. Dijkstra J. M. Tinbergen
• Title: Family planning in the kestrel: The ultimate control of covariation in laying date and clutch size.
• Year: 1990
• Reference Type: Journal Article
• Journal/Book Title: Behaviour
• Volume: 114
• Pages: 83-116
• Date of Publication: Thursday, 20 December 1990