Cortina, Frank Michael. Face to face. - New York Columbia University Press 1972. - ix, 301 p. 23 cm. 920504 ISBN: 0231036353 LCCN: 76184745 Subjects--Topical Terms: Drug abuse--Case studies.--United States LC Class. No.: HV5825 / .C66 Dewey Class. No.: 362.2/93/0926