William, Dudley H. Spectroscopic methods in organic chemistry Dudley H. William, Ian Fleming; Dudley H. William, Ian Fleming. - 4th ed. - New Delhi Tata McGrawHill Publications 1988 - xii, 246p.: ill.; 24cm. ISBN: 0-07-099653-9. Dewey Class. No.: 547.30858 / W52S