Contributions to helminthology : published to commemorate the 75th birthday of K. I. Skrjabin. (Raboty po gelʹmintologii; k 75-letiyu akademika K. I. Skrjabina) / edited by A. M. Petrov. Raboty po gelʹmintologii. English Akademii︠a︡ nauk SSSR. Skri︠a︡bin, K. I. (Konstantin Ivanovich), 1878-1972. Petrov, A. M., ed. United States. Department of Agriculture. National Science Foundation (U.S.) Helminthology. QL392 .A5313 616.962 23 PEC Published for the U.S. Dept. of Agriculture and the National Science Foundation, Washington, D.C. Includes bibliographical references and index. Jerusalem : Israel Program for Scientific Translations, c1966. c1966. 1966 Text xi, 804 p. : eng engrus