1. Black, M. R. (1969) A modified radiographic method for measuring skin thickness.Br. J. Derm,81, 661.
2. Burton, A. C. (1940) The direct measurement of thermal conductance of the skin as an index of peripheral blood flow.Am. J. Physiol. 129, 326.
3. Challoner, A. V. J. (1973) Ph.D. thesis, CNAA, London.
4. Greenfield, A. D. A. (1963) The circulation through the skin.In:Hamilton, W. F. andDow, P. (Eds.) Handbook of physiology, (American Physiological Soc.) Section 2,II, 1325.
5. Hensel, H. andBender, F. (1956) Fortlaufende Bestimmung der Hautdurchblutung am Menschen mit einem elektrischen Warmeleitmesser.Pflugers. Arch. ges. Physiol. 263, 603.