De Vos, A., R. Clark, C. Johnson, G. Johnson, I. Kerr, R. Payne, and P. T. Madsen. 2023. “Cetacean Sightings and Acoustic Detections in the Offshore Waters of Sri Lanka: March–June 2003”. J. Cetacean Res. Manage. 12 (2):185-93. https://doi.org/10.47536/jcrm.v12i2.576.