Ueda, T., Choi, T., & Kurokawa, T. (1994). Ratings of perceived exertion in a group of children while swimming at different temperatures. The Annals of physiological anthropology, 13(1), S. 23-31.

Ueda, Takeshi, Tae-Hee Choi, and Takashi Kurokawa. "Ratings of perceived exertion in a group of children while swimming at different temperatures." The Annals of physiological anthropology 13, no. 1 (1994): S. 23-31.

Ueda, Takeshi, Tae-Hee Choi, and Takashi Kurokawa. "Ratings of perceived exertion in a group of children while swimming at different temperatures." The Annals of physiological anthropology 13.1 (1994): S. 23-31.