• Author: Spoelstra, K. R. A. Hut A. Strijkstra S. Daan
• Title: The European souslik in the natural light-dark cycle: what is the signal for afternoon retreat?
• Year: 2004
• Reference Type: Journal Article
• Journal/Book Title: Lutra
• Volume: 47
• Pages: 95-100
• Date of Publication: Monday, 20 December 2004