Strindberg, S. ., Ersts, P. J., Collins, T., Sounguet, G.-P., & Rosenbaum, H. C. (2020). Line transect estimates of humpback whale abundance and distribution on their wintering grounds in the coastal waters of Gabon. J. Cetacean Res. Manage., (3), 153–160. https://doi.org/10.47536/jcrm.vi3.324