High definition sector scanning sonar trials on board Paster Pype along the Belgian co [i.e. coast], 29th and 30th August, 1979.
Contributors: Polytechnic Marine Limited.
Publisher: Polytechnic Marine
Published: 1979
Place of publication: Daventry
Language: eng
Number of pages: 26
Notes: Loose-leaf in binder.

"Sectascan system diagram" (1 folded sheet) as insert.