Litteratur
Dyrstad, S.M., R. Soltvedt og J. Hallén (2006). Physical fitness and physical training during Norwegian military service. Military Medicine, 171 (8), s. 736–741.
Dyrstad S.M., A. Aandstad og J. Hallén (2005). Aerobic fitness in young Norwegian men: a comparison between 1980 and 2002. Scandinavian Journal of Medicine & Science in Sports, 15 (5), s. 298–303.