Stefani, Ray; Pollard, Richard - In: Journal of Quantitative Analysis in Sports 3 (2007) 3, pp. 3-3
Comprehensive rankings of football teams have become an important, and occasionally controversial, feature of many … football codes. The rationale behind these systems needs to be understood. The historical evolution of the current eight codes … is briefly traced from just two: association football and rugby football, played under various forms in the mid 19th …