Canaperia, G.A. (1961). Camping Hygiene, Report presented to the Council of Europe, Strasbourg.
2.
Pagès, F.V. (1968). L'hygiène des voyages. In: Que sais-je?, Presses Universitaires de France.
3.
Pagès, F.V. (1971). Santé et tourisme (Unpublished document prepared for a National Seminar in Rabat, Morocco).
4.
Ponghis, M.G. (1972). Hygiène du Milieu et Tourisme. Paper presented to W.H.O. Congress of Ecology and Tourism of the Occidental Mediterranean, Madrid.
5.
Sédeuilh, M. (1971). Inter-country population movements in Europe (W.H.O. working document EURO 1101/4).
6.
World Health Organization (1971). Guide to sanitation for tourist accommodation (in preparation).
7.
World Health Organization, Regional Office for Europe (1971). Conference on cholera control in the European Region, Report, Copenhagen.
8.
World Health Organization, Geneva (1968). Supplement to the third report on the world health situation, 1965-1966, Part II, Environmental Health.