TY  - BOOK
AU  - U.S. Governement Printing Office
TI  - The Astronomical almanac for the year 2019
SN  - 978-0-7077-41925
PY  - 2018///
CY  - Washington 
PB  - U.S. G.P.O. ; (Washington :) 
KW  -  Astronomical ephemeris
KW  -  Nautical almanacs
KW  -  Nautical Astronomy
ER  -