TY - BOOK AU - Cox,Albert W. TI - Sonar and underwater sound SN - 0669959359 AV - VM480 .C64 U1 - 623.7/3 PY - 1974///] CY - Lexington, Mass. PB - Lexington Books KW - Sonar KW - Underwater acoustics KW - Anti-submarine warfare N1 - Includes index ER -