TY  - BOOK
AU  - Ynion,Eugenio,P.
TI  - Terrestrial navigation 2
SN  - 9710306065
U1  - 623.89 
PY  - 2003///
CY  - Philippines
PB  - ARTS & LETTERS PRESS
KW  - Terrestial navigation
KW  - Nautical navigation
N1  - Includes bibliography
ER  -