Moser, Claus Adolf. Survey methods in social investigation / by C. A. Moser and G. Kalton. - 2nd ed. - London : Heinemann Educational ., 1971 [Reprinted 1977]. - xvii, 549 p. : ill. ; 23 cm. includes index. ISBN: 0435826034 0435826042 (pbk.) Subjects--Topical Terms: Social surveys. Dewey Class. No.: 300.723 / MOS 1977