VĂIDĂHĂZAN, Remus-Cristian, et al. “REPETITION SPEED INFLUENCE ON MAXIMUM HEART RATE IN WEIGHT TRAINING”. Studia Universitatis Babeș-Bolyai Educatio Artis Gymnasticae, vol. 62, no. 3, Sept. 2017, pp. 5-12, doi:10.24193/subbeag.62(3).20.