TY - BOOK AU - Atherton,Mark TI - Echoes and images: the encyclopedia of side-scan and scanning sonar operations SN - 9780986903403 AV - VK388 .A84 2011 PY - 2011/// CY - Bellingham, WA PB - OysterInk Publications KW - Sonar KW - Acoustic imaging KW - Underwater acoustics KW - Instruments ER -