Jenkins, Ron, uthor. 1932- Practical X-ray spectrometry / By R. Jenkins and J. L. de Vries. - 2nd edition. - Eindhoven, Netherlands : N. V. Philips, 1969. - x, 189 p. : 1 fold., ill. ; 23 cm. - Philips technical library. . Includes bibliographical references. ISBN: 0387910298 Subjects--Topical Terms: X-ray spectroscopy.