Orlovsky, G. N., T. G. Deliagina, and S. Grillner. "Swimming in the mollusc Clione limacina based on wing flapping." Neuronal Control of Locomotion: From Mollusc to Man. : Oxford University Press, 1999-09-02. Oxford Scholarship Online. 2012-03-22. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198524052.001.0001/acprof-9780198524052-chapter-1>.
Orlovsky, G., Deliagina, T., & Grillner, S.(1999-09-02). Swimming in the mollusc Clione limacina based on wing flapping. In Neuronal Control of Locomotion: From Mollusc to Man. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198524052.001.0001/acprof-9780198524052-chapter-1.
Orlovsky, G. N., T. G. Deliagina, and S. Grillner. "Swimming in the mollusc Clione limacina based on wing flapping." In Neuronal Control of Locomotion: From Mollusc to Man. : Oxford University Press, 1999-09-02. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198524052.001.0001/acprof-9780198524052-chapter-1.
Orlovsky GN, Deliagina TG, Grillner S. Swimming in the mollusc Clione limacina based on wing flapping. In: Orlovsky G, Deliagina TG, Grillner S. Neuronal Control of Locomotion: From Mollusc to Man. Oxford University Press; 1999. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198524052.001.0001/acprof-9780198524052-chapter-1. Accessed May 22, 2013.