TY  - BOOK
TI  - ECHOSOUNDERS AND RADARS FOR FISHING VESSELS. NETSOUNDERS FOR MID-WATER TRAWLING
U1  - 623.8938 
CY  - S.L.
KW  - BARCOS DE VELA
KW  - ECOSONDEO EN LA PESCA
KW  - RADAR
N1  - REPORT BL 9090 A 002
ER  -