Trace analysis; papers presented at a symposium on trace analysis held at the New York Academy of Medicine, New York, N.Y., November 2, 3, 4, 1955. Edited by John H. Yoe and Henry J. Koch, Jr. Yoe, John H. (John Howe), 1892- ed. Koch, Henry J., joint ed. Trace analysis. QD77 .Y62 541.192 YOT Includes bibliographies. New York, Wiley [c1957] [c1957] 1957 Text xiii, 672 p. eng