Underwater acoustics instrumentation : Vernon M. Albers / Vol. 2 Albers, Vernon Martin, 1902- Instrument Society of America. Oceanographic Instrumentation Center. Underwater acoustics Instruments. QC225 .A522 534.23 ALU " Includes bibliographical references and index Pittsburgh : Instrument Society of America , 1967 1967 1967 Text x, 89 p. : eng