Buuren, Stef van. Flexible imputation of missing data / Stef van Buuren. - Boca Raton, F. L. : CRC Press, 2012. - xxv, 316 p. : ill. ; 25 cm. - Chapman & Hall/CRC interdisciplinary statistics series . - Chapman & Hall/CRC interdisciplinary statistics series. . ISBN: 9781439868249 RM262.78 Subjects--Topical Terms: Multivariate analysis.Multiple imputation (Statistics).Missing observations (Statistics).