Johnston, John B. Sets, functions, and probability [by] John B. Johnston, G. Baley Price [and] Fred S. Van Vleck. - Reading, Mass., Addison-Wesley Pub. Co. [1968] - viii, 376 p. illus. 24 cm. - Addison-Wesley series in behavioral sciences: quantitative methods . Subjects--Topical Terms: Probabilities.Combinatorial analysis.Difference equations. Dewey Class. No.: 511.3 JOH