Mayo RK, Helser TE, O'Brien L, Sosebee KA, Figuerido BF, Hayes DB 1994 Estimation of standardized otter trawl effort, landings per unit effort, and landings at age for Gulf of Maine and Georges Bank cod Northeast Fish Sci Cent Ref Doc 94-12; 17 p https://repository.library.noaa.gov/view/noaa/4157 Mayo Ralph K O'Brien Loretta Sosebee Katherine A Division Resource Evaluation & Assessment READ Population Dynamics Secondary NEFSC Ref or Lab Document Reports