TY  - BOOK
AU  - U.S. Government Printing Office
TI  - Astronomical almanac for the year 2013
SN  - 9780707741284
U1  - 52 (059) H.M.S.O. 
PY  - 2012///
PB  - U.S. Governement Printing Office
KW  - Almanac
ER  -