TY  - BOOK
AU  - Helwig,Jane T.
ED  - SAS Institute.
TI  - SAS introductory guide
SN  - 0917382439
PY  - 1983///
CY  - Cary, N.C.
PB  - SAS Institute
KW  - SAS (Computer system)
N1  - Includes index
ER  -