Williams, R. and L. Thomas. 2007. Distribution and abundance of marine mammals in the coastal waters of British Columbia, Canada. Journal of Cetacean Research and Management. 9(1):15-28
Raincoast: Marine Papers
Designing line transect surveys for the BC coast
Thomas, L., R. Williams, and D. Sandilands, D. 2007. Designing line transect surveys for complex survey regions. Journal of Cetacean Research and Management. 9(1):1-13,
