The education of physicists for work in industry : proceedings of an international seminar held at Eindhoven, The Netherlands, 2-6 December 1968 / G. Diemer; J. H. Emck
A biologia na vida diária / John R. Baker e J. B. S. Haldane; trad. M. Ramos
A vida e os seus problemas / Jean Rostand; trad. Armindo Rodrigues
Le réchauffement climatique / Robert Kandel