1. N. J. HARRICK, “Internal Reflection Spectroscopy” (Wiley, New York, 1967).
2. P. A. WILKS Jr and T. HIRSCHFIELD, “Applied Spectroscopy Reviews”, edited by E. G. Brame (Dekker, New York, 1967).
3. J. S. MATTSON and H. B. MARK, “Activated Carbon” (Dekker, New York, 1971).
4. A. GARTON, D. J. CARLSSON and D. M. WILES,Appl. Spectrosc. 35 (1981) 432.
5. A. GARTON and W. T. K. STEVENSON, in preparation.