Computer programs for demographic estimation: a user`s guide. - Washington, DC : National Research Council , 1981 - ix, 357. : ill. ; 23 cm. - Committee on Population and Demography Report no. 11 . Includes bibliographical references and index. Subjects--Topical Terms: Demography--Computer programsDemographic estimation--Data processingPopulation--Statistical methods Gov. Doc. Class. No.: US NAS NRC ABSS CPD R-11