TY  - BOOK
AU  - Joseph,T.K.
AU  - Rewari, S. S. S. 
TI  - Principles of navigation / 
U1  - 623.84 23
PY  - 2006///.
CY  - New Delhi : 
PB  - Applied Research International Pvt. Ltd., 
KW  - Shape of the Earth.
KW  - Parallel.
KW  - Mercator chart.
ER  -