LEADER 00000nam 2200229 a 4500 001 0535106 003 UkHlHU 007 t 008 002901 2 1971 000 eng 040 UkHlHU 050 4 SH 344.23 S6 N2 110 2 Natural Environment Research Council (Great Britain). |bWorking Group on Underwater Acoustics. 245 00 Underwater acoustics. 260 London :|bN.E.R.C.,|c1971. 300 32p. 440 0 Publications (Natural Environment Research Council) Series c ;|vno. 6. 650 0 Electric telegraphy. 650 0 Acoustics|xElectroacoustics. 946 020 absent -- ISBN check required
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