TY  - BOOK
AU  - Calcutt, David
AU  - Tetley, LaurieCalcutt, David
TI  - Electronic navigation systems / Laurie Tetley and David Calcutt
SN  - 750651385
AV  - VK560 .T37 2001 
U1  - VK560 .T37 2001 
PY  - 2001///
PB  - Oxford : Butterworth, Heineman
KW  - Electronic navigation.Electronic system, Electronic navigation system
ER  -