Langton RW, Pearce JB, Gibson JA, Editors 1994 Selected living resources, habitat conditions, and human perturbations of the Gulf of Maine: Environmental and ecological considerations for fishery manangement NOAA Tech Memo NMFS NE 106; 70 p https://repository.library.noaa.gov/view/noaa/6213 Langton Richard W Secondary NOAA Technical Memorandum Reports
