00000nam 2200000zi 4500 9.899435 CaOODSP 20221107175123 m o d f cr bn||||||||| 201211s1977 xxca ob f000 0 eng d CaOODSP eng rda CaOODSP Fs72-47/1976E-PDF MacPhee, S. B., author. Acoustics and echo sounding instrumentation / by S.B. MacPhee. [Place of publication not identified] : [Canadian Hydrographic Service], 1977. 1 online resource (vi, 64 pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Imperfect copy: front and back covers wanting. "Technical Report 1976-1." "September 1976 (With Corrections to 1 January 1977)." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages v-vi). Echo sounding Instruments. Underwater acoustics Instruments. Sondage par ultrasons Instruments. Acoustique sous-marine Instruments. Canadian Hydrographic Service, issuing body. PDF 2.65 MB https://publications.gc.ca/collections/collection_2021/eccc/Fs72-47-1976-eng.pdf