Durand, John Dana Methods of analysing census data on economic activities of the population / [by John D. Durand and Ann R. Miller] - New York : United Nations, 1968 - v, 143 p. : ill. ; 28 cm. - Population studies ; no. 43 . ISBN: USD 2.50 (pbk.) Subjects--Topical Terms: CensusLabor supply Dewey Class. No.: 312