Hammond, P. S., Gillespie, D., Lovell, P., Samarra, F., Swift, R., Macleod, K., Tasker, M. L., Berggren, P., Borchers, D. L., Burt, L., Paxton, C. G. M., Cañadas, A., Desportes, G., Donovan, G. P., Gilles, A., Lehnert, K.
, Siebert, U., Gordon, J., Leaper, R. ... Vázquez, J. A. (2014).
Large scale surveys for cetaceans: Line transect assumptions, reliability of abundance estimates and improving survey efficiency - A response to MacLeod.
Biological Conservation,
170, 338–339.
https://doi.org/10.1016/j.biocon.2014.01.016