TY  - BOOK
AU  - Cotter, Charles H
AU  - Cotter, Charles H
TI  - The elements of navigation and nautical astronomy :  a text-book for cadets / by Charles H. Cotter.    
SN  - 9780851745435
AV  - VK 155 .C68 1977 
U1  - VK 155 .C68 1977 
PY  - 1977///
PB  - Glasgow : Brown, Son & Ferguson
ER  -