chapter 1 Sound Scattering by Commercial Items -- chapter 2 Scouting Characteristics of Acoustic Instruments -- chapter 3 Search for Commercial Items with Acoustic Instruments -- chapter 4 Efficiency of Detection of Commercial Items with Acoustic Instruments -- chapter 5 Species and Size Interpretation of Recordings of Commercial Items -- chapter 6 Quantitative Interpretation of Recordings of Commercial Items -- chapter 7 Acoustic Surveys of Commercial Resources -- chapter 8 Fisheries-Acoustic Surveys -- chapter 9 Passing Observations and Surveys on Commercial Vessels.