000 00278nam a22001097a 4500
050 _aMED QA276
_bE34
100 _aEHRENBERG,A.S.C
245 _aData reduction; Analysing and interpretation
260 _aLONDON
_bJohn wiley & sons
_c1975
300 _axii,391
_bindex
942 _cBK
999 _c14798
_d14798