1.标题：Statistical Data, Missing  

   作者：R. J. Little^a and D. B. Rubin^b

   出版社：Copyright © 2001 Elsevier Ltd. All rights reserved.

   电子链接：http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B7MRM-4MT09VJ-3HG&_user=2297800&_coverDate=10%2F18%2F2004&_alid=883515208&_rdoc=4&_fmt=high&_orig=search&_cdi=23486&_sort=d&_docanchor=&view=c&_ct=4&_acct=C000056837&_version=1&_urlVersion=0&_userid=2297800&md5=12e66648c3e770f8a31f25799e5ac63c

2.标题：Statistical Analysis with Missing Data,

   作者：R.J.A. Little, D.B. Rubin,

   出版社：Wiley, New York, 1987.

   电子链接：无

3.标题：Pattern-mixture models for multivariate incomplete data

   作者：R.J.A. Little,

   出版社：J. Amer. Statist. Assoc. 88
(1993) 125–134.

   电子链接：无