D. Raphael. Health Promotion Journal of Australia: Official Journal of Australian Association of Health Promotion Professionals, 17 (3):
167--170(декабря 2006)PMID: 17176228.
W. Organization.. Relevé Épidémiologique Hebdomadaire / Section D'hygiène Du Secrétariat De La Société Des Nations = Weekly Epidemiological Record / Health Section of the Secretariat of the League of Nations, 51 (51):
385--386(1976)PMID: 1958468.