TY  - BOOK
AU  - Denne W
TI  - Magnetic Compass Deviation And Correction:A Manual Of The De Viations And Mechanical Correction Of Magnetic Compasses In
SN  - 0 85174 332 3
PY  - 1951///
CY  - Glasgow
PB  - Brown,Son & Ferguson Ltd
KW  - MAGNETIC DECLINATION
ER  -