Nelson, Richard R. Structural change in a developing economy : Colombia's problems and prospects / Richard R. Nelson, T. Paul Schultz & Robert L. Slighton - Princeton : Princeton University Press , 1971 - xi, 322p. : ill. ; 24 cm. - A Rand Corporation research study . Includes bibliographical references. ISBN: 0691041636 Subjects--Geographic Terms: Colombia--Economic conditions--1970-Colombia--Population Dewey Class. No.: 338.89 Co / NEL