TY  - BOOK
ED  - United States Government
TI  - The astronomical almanac for the year 1997
SN  - 0-11-886505-6
AV  - REF QB8.U6A77	 
PY  - 1996///
CY  - Washington, D. C
PB  -  : Government Printer
KW  - Natical almanacs,
KW  - Periodicals
ER  -