Lastrucci, Carlo L. The scientific approach; basic principles of the scientific method. - Cambridge, Mass., Schenkman Pub. Co. [1963] - xi, 257 p. illus. 22 cm. Bibliography: p. 248-252. LCCN: 63024066 Subjects--Topical Terms: Science--Methodology. LC Class. No.: Q175 / .L28 Dewey Class. No.: 501.8