Benito Peinado, P. J.; Álvarez Sánchez, M.; Díaz Molina, V.; Peinado Lozano, A. B.; Calderón Montero, F. J. Aerobic Energy Expenditure and Intensity Prediction During a Specific Circuit Weight Training: A Pilot Study. J. Hum. Sport Exerc. 2010, 5, 134-145.