1. D. Gerrold, The Trouble with Tribbles, STAR TREK, Production No. 5149-42, Airdate 12/29/1967.
2. D. Gerrold, The Trouble With Tribbles: The Birth, Sale, and Final Production of One Episode, BenBella Books, Dallas, 2004, S. 186-263.
3. Thiotimolin - Ein Nanoreview