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Schnettler Ch., Kettlebells. Twice the Results in Half the Time?, „Fitness Matters Magazine” 2010, 16(1), 6–10.
Schuenke M.D., Mikat R.P., McBride J.M., Effect of an acute period of resistance exercise on excess post-exercise oxygen consumption: Implications for body mass management, „European Journal of Applied Physiology” 2002, 86(5), 411–417.