Orr, J., Canada

• ARCTIC Vol. 54 No. 3 (2001): September: 207–355 - Articles
  Surfacing Times and Dive Rates for Narwhals (Monodon monoceros) and Belugas (Delphinapterus leucas)
  Abstract  PDF
• ARCTIC Vol. 61 No. 4 (2008): December: 347–466 - Articles
  Resighting of a Narwhal (Monodon monoceros) Instrumented with a Satellite Transmitter
  Abstract  PDF