TY  - BOOK
AU  - Fleiss Joseph L
TI  - Statistical methods for rates and proportions
T2  - Wiley series in probability and mathematical statistics
U1  - B2817, M1 
PY  - 1981///
CY  - New York    
PB  -  John Wiley       
KW  -  probability
KW  - statistical method
ER  -