TY  - BOOK
AU  - Ehrenberg, A. S. C.
TI  - Data reduction : analysing and interpreting statistical data
PB  - Wiley
PY  - 1975
T2  - A Wiley-Interscience publication
EP  - xvii, 391 p.
UR  - https://ci.nii.ac.jp/ncid/BA03712340
SN  - 0471233994
SN  - 0471233986
ER  -