Wellmer, Hella Dengue haemorrhagic fever in Thailand geomedical observatgions on developments over the period 1970-1979 By Hella Wellmer - Berlin Springer-Verlag 1983 - 40 p. : ill. ; 25 cm. Meps and charts ons 4 folded leaves in pocket ISBN: 0387124861 Subjects--Topical Terms: Dengue--Thailand--occurence