Ball, E.D. The beet leaf hopper and the curly leaf disease that it transmits / by E.E. Ball - Lehi, Utah : Agricultural Experiment Station - 56 p. - Hemiptera; 7 . Encuadernado con otros impresos similares LCCN: 206842 Subjects--Topical Terms: -- HemÃpteros -- colecciones de escritos -- Eutetix -- Circulifer tenellus Dewey Class. No.: PA-C 595.75 H4