Willard, Hobart H. Instrumental methods of analysis / by Hobart H. Willard ... [et al.]. - 7th ed. - New Delhi : CBS Publishers, 1986. - xxi, 895 p. : illustrations ; 24cm. Includes bibliographical references and index. ISBN: 9788123909431 Subjects--Topical Terms: Instrumental method Dewey Class. No.: 543 / WIL/I