De Liu, Q. Julkaisussa Proceedings of First Joint International Pre-Olympic Conference of Sports Science and Sports Engineering. Volume III: Statistics and Managment in Sports. (2008)
Sun, J. H., Yi, C., Ma, Y. C., Cao, L., Li, X. C., Cao, J. W. Julkaisussa Proceedings of First Joint International Pre-Olympic Conference of Sports Science and Sports Engineering. Volume III: Statistics and Managment in Sports. (2008)