Radhakrishnan, V. "Locomotion: Dealing with Friction." Proceedings of the National Academy of Sciences of the United States of America 95/10 (1998): 5448-5455.

Radhakrishnan, V. "Locomotion: Dealing with Friction." Proceedings of the National Academy of Sciences of the United States of America 95/10 (1998): 5448-5455.