Symposium on Depth Measurement and Sonar Sweeping : proceedings : held at the University of Southampton, 5th & 6th April, 1978 /
Hydrographic Society Symposium on Depth Measurement and Sonar  Sweeping(1st :1978 :Southampton)
Hydrographic Society.
[London] : The Society,
[1978?]
Cover title.
Hydrographic Society Symposium on Depth Measurement and Sonar  Sweeping 1978 : Southampton)
Hydrography
Sonar