000 002820000a22001210004500
245 _aStatistical analysis with missing data
100 _aLittle, R.J.A.
100 _aRubin, D.B.
260 _aNew York
_bJohn Wiley
_c1987
080 _a519.23
_bL5
041 _aEN
942 _cBK
999 _c119367
_d119367