Conceptual selling : the revolutionary system for face-to-face selling used by America's best companies / Robert B. Miller and Stephen E. Heiman with Tad Tuleja. Miller, Robert B. (Robert Bruce), 1931- Heiman, Stephen E. Tuleja, Tad, 1944- Selling. 658.85 MIC Includes index. New York, NY : Warner Books, c1987. c1987. 1987 Text 320 p. : http://www.loc.gov/catdir/enhancements/fy0914/88017324-d.html eng