616.39 Coo P Cooper, Marcia Mann Pica; a survey of the historical literature as well as reports from the fields of veterinary medicine and anthropology, the present study of pica in young children, and a discussion of its pediatric and psychological implications by Marcia Cooper. Springfiedl, Ill., Ch. C. Thomas [c1957] viii, 114 p. gráficos, tablas. 21 cm. ´´Bibliographu´´: p. 101-105