Emery, F. E. Information, decision and action : a study of the psychological determinants of changes in farming techniques / F. E. Emery and O. A. Oeser. - London : Melbourne Univ. Press, c 1958. - ix, 132 p. ; 22 cm. Includes index. 345 345 Subjects--Topical Terms: Agricultural extension work. Dewey Class. No.: 631.1 / E36i