Three-dimensional geometry of the narwhal (Monodon monoceros) flukes in relation to hydrodynamicsDOI: info:10.1111/j.1748-7692.2010.00439.xv. 27No. 4889–898
Fontanella, Janet E., Fish, Frank E., Rybczynski, Natalia, Nweeia, Martin T., and Ketten, Darlene R. 2011. "Three-dimensional geometry of the narwhal (Monodon monoceros) flukes in relation to hydrodynamics." Marine Mammal Science, 27, (4) 889–898. https://doi.org/10.1111/j.1748-7692.2010.00439.x.