The Caltrac accelerometer as a physical activity monitor for school-age children

von Sallis, James F. (Autor), ... Buono, Michael J. (Autor), Roby, Julia J. (Autor), Carlson, Dana (Autor), Nelson, Julie A. (Autor)
Erschienen in Medicine and science in sports and exercise, 22 (1990), 5, S. 698-703, Lit.

Biomechanics and motor control of human movement. 2nd ed.

von Winter, David A. (Autor) ... New York (N.Y.): Wiley (Verlag), 1990, XVI, 277 S., Lit.