Congress lectures presented in Prague, Czechoslovakia 4-9 September 1967.
Contributors: International Union of Pure and Applied Chemistry.
Publisher: Butterworths
Published: 1969
Place of publication: London
Language: eng
Notes: At head of title: International Union of Pure and Applied Chemistry.

Added t.p., in French.

"Reprinted from Pure and applied chemistry, vol.18, nos. 1-2."

Includes bibliographies.