Nayak, P. Ranganath Breakthroughs! / P. Ranganath Nayak and John M. Ketteringham - New York Rawson Associates c1986. - 371 p. Includes index. ISBN: 0-82956-294-3 Subjects--Topical Terms: Creative ability in business.Inventions.New products. Dewey Class. No.: Cir 306.42 N231 1986