U. S. Government Printing Office
Astronomical almanac for the year 2012 - U.S.A U. S. Government Printing Office 2011 - x, A1-N16 p.
9780707741215
Nautical almanacs--Periodicals
Astronomical almanac for the year 2012 - U.S.A U. S. Government Printing Office 2011 - x, A1-N16 p.
9780707741215
Nautical almanacs--Periodicals