Noltingk, B. E. The art of research : a guide for the graduate / by B.E. Noltingk. - Amsterdam ; New York : Amsterdam ; New York : Elsevier Pub. Co., 1965. Bibliography: p. 142. LCCN: 65025200 Subjects--Topical Terms: Research. LC Class. No.: Q180.A1 / N57 Dewey Class. No.: 001.42