Contemporary scientific and technological changes :

Paris : Unesco House, 1983 , Report of the 7th IAU seminar, held in Zagreb from 27 September to 1 October 1982. 9290021403 (pbk.)

Addresses delivered at a memorial ceremony for Jaime Torres Bodet, formerly Director-General of the United Nations Educational, Scientific and Cultural Organization (1948-1952).

[Paris] : Unesco House, 1974 , Cover title: Jaime Torres Bodet in memoriam.