Allison, Paul David Missing data - 1st ed. - Thousand Oaks, Calif. Sage Publications c2002 - vi, 93 p. : ill. ; 22 cm. ISBN: 9780761916727 (pbk. : acid-free paper) Subjects--Topical Terms: Missing observations (Statistics)Mathematical Statistics Dewey Class. No.: 001.422 , A1/1