Key, K. H. L. The regional and seasonal incidence of grasshopper plagues in Australia, by K. H. L. Key. - Melbourne, H.J. Green, government printer, 1938. - 87 p. illus. "References": p. 86-87. LCCN: agr39000816 Subjects--Topical Terms: Locusts. LC Class. No.: SB945.L7 / K4