Crystal Structures

IN 1931 Dr. R.W. G. Wyckoff's "Structure of Crystals" was published and was followed by a supplement in the year 1934 ; these volumes contained of crystal-structure determinations up to about 1933, and many X-ray crystallographers will have found them of utmost value, both as sources of information about structures and as sources of references.Crystal Structures By Ralph W. G. Wyckoff. Section 1. Pp. viii + 442. (New York and London: Interscience Publishers, Inc., 1948.) 48s.