• Author: Brandstätter, R. A. Kumar U. Abraham E. Gwinner
• Title: Photoperiodic information acquired and storedin vivois retainedin vitroby a circadian oscillator, the avian pineal gland
• Year: 2000
• Reference Type: Journal Article
• Journal/Book Title: PNAS
• Volume: 97
• Issue: 22
• Pages: 12342-12328
• Date of Publication: Wednesday, 20 December 2000