TY  - BOOK
AU  - Virgile,Robert
ED  - SAS Institute
TI  - Efficiency: improving the performance of your SAS applications 
SN  - 1580252281
PY  - 1998///
CY  - Cary, NC
PB  - SAS Institute
KW  - SAS (Computer file)
KW  - Mathematical statistics
KW  - Data processing
ER  -