TY  - BOOK
AU  - Cotter, Charles H.
AU  - Lahiry, Himadri K.,
TI  - The elements of navigation and nautical astronomy: a textbook of navigation and nautical astronomy 
SN  - 978-1-84927-071-7
PY  - 2017///
KW  - Navigation
KW  - sears
KW  - Nautical astronomy
KW  - Nautical charts
N1  - Includes index
ER  -