Clapham PJJ Barlow J, Bessinger M, Cole TVN Mattila D, Pace R, Palka D, Robbins J, Seton R 2003 Abundance and demographic parameters of humpback whales from the Gulf of Maine, and stock definition relative to the Scotian Shelf J Cetacean Res Manage 5(1): 13-22 Clapham Phillip J Cole Timothy VN Pace Richard M III Palka Debra L Division Resource Evaluation & Assessment READ Protected Species Primary Journal Article Primary publication