Thompson, Leigh L.
The mind and heart of the negotiator(3rd ed)

http://jbldb.stanford.edu/cgi-bin/Pwebrecon.cgi?DB=local&Search_Arg=035a+169406&Search_Code=CMD*&CNT=10

Getting to yes : negotiating agreement without giving in
Fisher, Roger, 1922-

http://jenson.stanford.edu/uhtbin/cgisirsi/PT2jB0IKbs/GREEN/57630031/9

source: http://www.negotiationlawblog.com/