Jech JM 2014 Postprocessing of scientific echo-sounder data from the NOAA ships Albatross IV and HB Bigelow: 1998 - 2012 Northeast Fish Sci Cent Ref Doc 14-08; 45 p https://doi.org/10.7289/V5F18WQP Jech J Michael Division Population & Ecosystem Monitoring & Analysis PEMAD Ecosystems Surveys Secondary NEFSC Ref or Lab Document Reports