Haines, R. G.
Echo fishing / R. G. Haines. - London : Leonard Hill, c 1969. - xiii, 116 p. : ills. ; 22 cm.
Includes bibliography.
29 29
Sonar in fishing.
639.2 / H127e
Echo fishing / R. G. Haines. - London : Leonard Hill, c 1969. - xiii, 116 p. : ills. ; 22 cm.
Includes bibliography.
29 29
Sonar in fishing.
639.2 / H127e