Lax, David A. The manager as negotiator : bargaining for cooperation and competitive gain / David A. Lax, James K. Sebenius. - New York : London : Free Press ; Collier Macmillan, c1986. - xv, 395 p. : ill. ; 24 cm. Includes index. ISBN: 0029187702 LCCN: 86018420 LC Class. No.: HD58.6 .L39 1986 / .L39 1986 Dewey Class. No.: 658.4