by Jelka Vesenjak-Hirjan and others. 184 pages, illustrated. Yugoslav Academy of Sciences and Arts, Zagreb. 1976. In the United States, copies may be requested from Dr. Charles H. Calisher, Arbovirus Reference Branch, Bureau of Laboratories, Vector-Borne Diseases Division, P.O. Box 2087, Fort Collins, Colorado 80522, and are available at no cost
