TY  - BOOK
AU  - Ramirez,Cecilio
TI  - Navigational tables: extracts from bowditch tables for “sailings” and celestial navigation problems
SN  - 971923306
PY  - 2006///
CY  - Legazpi City 
PB  - Gold Book Pub.
KW  - 1. Navigation -- tables
ER  -