TY  - BOOK
AU  - Anderson,Sharon
AU  - Bryk,Anthony S.
AU  - Kleinman,Joel
TI  - Statistical methods for comparative studies: techniques for bias reduction 
T2  - Wiley series in probability and mathematical statistics
SN  - 0471048380
U1  - 519.5 23
PY  - 1980///
CY  - New York, Chichester
PB  - Wiley
KW  - Mathematical statistics
KW  - Statistics
N1  - Includes bibliographies and index
ER  -