TY  - BOOK
AU  - EHRENBERG A.S.C.
TI  - Primer in data reduction :  An introductory statistics textbook   
SN  - 9780471101352
U1  - B28, M2 
PY  - 1982///
CY  - New York
PB  - John Wiley & Sons      
KW  - Sociology
ER  -