1. Attorneys for the Trustees of Columbia University in the City of New York. 2004. Columbia University's Amended and Restated Covenant Not to Sue Plaintiffs for Infringement of the ’275 Patent, October 12, 2004. Available at http://www.pubpat.org/assets/files/ColumbiaCotransformation/Axel_275_Covenant_Not_to_Sue.pdf (accessed September 25, 2007).
2. Axel, R. 2004. Scents and Sensibility: A Molecular Logic of Olfactory Perception. Nobel Lecture, December 8, 2004. Available at http://nobelprize.org/nobel_prizes/medicine/laureates/2004/axel-lecture.pdf (accessed September 25, 2007).
3. Why Did Universities Start Patenting? Institution-Building and the Road to the Bayh-Dole Act;Berman;Social Studies of Science,2008
4. Cohn, A. 2007. Wisconsin Alumni Research Foundation Changes Stem Cell Policies to Encourage Greater Academic, Industry Collaboration. Press release, January 23. Available at http://www.warf.org/news/news.jsp?news_id=209 (accessed January 17, 2009).
5. Drugs.com. Prescription Drug Information, Side Effects and Interactions. 2007. Available at http://www.drugs.com (accessed June 26, 2007).