Jürgen Perl. Interaction in Games: Qualitative Analysis by Means of the Load-Performance-Metamodell PERPOT. Int. J. Comp. Sci. Sport, 5(2), 2006.
@article{Perl06, title = {Interaction in Games: Qualitative Analysis by Means of the Load-Performance-Metamodell PERPOT}, author = {Jürgen Perl}, year = {2006}, researchr = {https://researchr.org/publication/Perl06}, cites = {0}, citedby = {0}, journal = {Int. J. Comp. Sci. Sport}, volume = {5}, number = {2}, }