TY  - COMP
A1  - Grolemund, G.
A1  - Wickham, H  
T1  - Package lubridate
Y1  - 2012
UR  - http://cran.r-project.org/web/packages/lubridate/index.html
N1  - (Accessed January 16, 2013); 1.2.0

ER  -