Frühauf, A., M. Schnitzer, W. Schobersberger, . G. Weiss, and M. Kopp. “Jogging, Nordic Walking and Going for a Walk - Inter-Disciplinary Recommendations to Keep People Physically Active in Times of the Covid-19 Lockdown in Tyrol, Austria”. Current Issues in Sport Science (CISS), vol. 5, Apr. 2020, p. 100, doi:10.15203/CISS_2020.100.