TY  - BOOK
AU  - Ingham, A. E.
TI  - Sea surveying
SN  - 0-471-42729-2
PY  - 1975///
CY  - London
PB  - John Wiley
KW  - Hydrographic surveying
KW  - sea-surveying
KW  - Navigation
KW  - Nautical astronomy
KW  - Aeronautical astronomy
N1  - Part I   includes text 
Part II  includes Illustrations
ER  -