TY  - CHAP
A1  - Goodall, C. 
T1  - A survey of smoothing techniques
Y1  - 1990
A3  - Fox, J. 
A3  - Long, J.
T2  - Modern methods of data analysis
CY  - Newbury Park, CA
PB  - Sage Publications
SP  - 126
EP  - -176

ER  -