000 002840000a22001210004500
245 _aRegression estimation from grouped observations
100 _aHaitovsky, Yoel
260 _aLondon
_bGriffin
_c1973
300 _a94 p.
080 _a519.233.5
_bH3
041 _aEN
942 _cBK
999 _c101248
_d101248