TY  - GEN
AU  - 
TI  - Echo Sounding and Sonar for Fishing
SN  - 0852381107
U1  - 639.2015345 
PY  - 1980///
CY  - England
PB  - Fishing News Books Ltd
KW  - Sonar Sounding
KW  - Echo Sounding
ER  -