Young, Allan H. Estimating trading-day variation in monthly economic time series / Allan H. Young - Washington, D.C. : USDC , 1965 - v, 21p. ; 32 cm. - Bureau of the census technical paper . Includes bibliographical references and index. Subjects--Topical Terms: Domestic tradeTime-series analysisUnited States Dewey Class. No.: 381 / US