Community health and health motivation in South East Asia : proceedings of an internat. seminar organized by the German Foundation for Internat. Development and the Inst. of Tropical Hygiene and Public Health, South Asia Inst., Univ. of Heidelberg, 22 Oct. to 10 Nov. 1973, Berlin / ed. by Hans Jochen Diesfeld and Erich Kröger / Beiträge zur Südasienforschung ; Bd. 4