'The United Kingdom instrument of ratification was deposited on 14 December 1948 and the Convention entered into force on 23 March 1950'. Parallel English and French text.
Convention of the World Meteorological Organization signed at Washington on 11 October 1947 (as later amended). ISBN 0101390203. Published by H.M.S.O in 1969. Publication and catalogue information, links to buy online and reader comments.