No CrossRef data available.
Published online by Cambridge University Press: 26 May 2015
1 Lichfield Arch. & Hist. Soc. Trans., 2, 1960–61, pp. 31–37. full report forthcoming.
2 Al Chalabi, M. M. 1961. Unpublished M.Sc. Thesis University of Birmingham.
3 Dunk, A. J. 1962. A full account of this work, giving details of the experimental procedure and the method of computation, is to appear shortly.