Colorimetric analysis : vol 1 ; determinations of clinical and biochemical significance / by Noel L. Allport and J.W. Keyser. Allport, Noel L. (Noel Lionel) Keyser, J. W. (James William), author. Colorimetry. QD113 .A 545.3 ALC Includes index. London : Chapman & Hall, c1957. c1957. 1957 Text xi, 424 p. : eng