TY  - BOOK
AU  - Virgile,Robert
ED  - SAS Institute
TI  - An array of challenges: test your SAS skills 
SN  - 1555448062
PY  - 1996///
CY  - Cary, NC
PB  - SAS Institute Inc.
KW  - SAS (Computer file)
KW  - Problems, exercises, etc
KW  - Mathematical statistics
KW  - Data processing
ER  -