by N. Parkin and C. R. Flood. by W. C. Krumbein and L. L. Sloss. by J. Bertin and J. Loeb. by C. L. Dailey and F. C. Wood. by G. E. Darwin and J. H. Buddery. by A. G. Martin and F. W. Stephenson. [by] M. Pirani and J. Yarwood. edited by A. Parker and B.W. Sellwood. by F. Din and A. H. Cockett. by James C. Harkin and Richard J. Reed.