Tucker, D. G.
Underwater observation using sonar / by D.G. Tucker. - London : Fishing News (Books), [1966] - 3-144 p. : ill., diagrs. ; 23 cm.
Bibliography: p. [137]-139.
66066619
B66-19423
Echo sounding.
Sonar.
GC78.E3 / T8
623.863 / TUU
Underwater observation using sonar / by D.G. Tucker. - London : Fishing News (Books), [1966] - 3-144 p. : ill., diagrs. ; 23 cm.
Bibliography: p. [137]-139.
66066619
B66-19423
Echo sounding.
Sonar.
GC78.E3 / T8
623.863 / TUU