References for John Stallings

1. K Chang, 'John R Stallings Jr., 73, California Mathematician, Is Dead', New York Times (18 January 2009).
2. R Sanders, Mathematician John Stallings died last year at 73. UC Berkeley press release, 12 January 2009.
   http://berkeley.edu/news/media/releases/2009/01/12_stallings.shtml
3. G A Swarup, John Robert Stallings (1935-2008) (Monday, 8 December 2008).

April 2009