TY  - BOOK
ED  - StataCorp LP.
TI  - Stata programming reference manual: release 12
SN  - 9781597180
U1  - 005 STA 2011 A002 Or. 
PY  - 2011///
CY  - College Station, Tex.
PB  - StataCorp LP
KW  - Statistics
KW  - Social sciences
N1  - "A Stata Press publication."; Includes index
ER  -