Coin operated football or hockey game - has interior ball container to reduce risk of damage by players

• 1. 一种足球比赛视频的球员及球体跟踪方法 [P] . 中国专利： CN105139419A . 2015-12-09
• 2. 用于足球比赛指挥球员跑动的指令发生器 [P] . 中国专利： CN2634627Y . 2004-08-18
• 3. Coin operated football and hockey game - has ball release free from jamming [P] . 德国专利： DE2533093A1 . 1977-02-10

  机译： 投币式足球和曲棍球游戏-释放球不受干扰

• 4. Coin-operated, time-controlled table-top appliance for playing football and hockey games includes a braking device to tighten up a rod for a game after a preset playing time. [P] . 德国专利： DE19909867A1 . 2000-09-14

  机译： 用于玩足球和曲棍球比赛的投币式时间控制台式设备包括制动装置，该装置可在预设的游戏时间后收紧游戏杆。

• 5. Electro-mechanical table football or hockey game - has player pieces provided with permanent magnets and guide rod system, with magnetic steel centre in ball [P] . 德国专利： DE3046136A1 . 1982-07-22

  机译： 电动机械桌上足球或曲棍球比赛-带有永久磁铁和导杆系统的棋子，球中的磁性钢中心

• 1. Exertional heat illness risk factors and physiological responses of youth football players [J] . Susan W.Yeargin, John J.Dickinson, Dawn M.Emerson, 运动与健康科学（英文版） . 2021,第001期
• 2. Functional Ankle Instability Prevalence and Associated Risk Factors in Male Football Players [J] . A. Cruz, R. Oliveira, A. G. Silva 矫形学期刊（英文） . 2020,第004期
• 3. Measuring Football Players' On-the-Ball Contributions from Passes During Games [C] . Lotte Bransen, Jan Van Haaren International Workshop on Machine Learning and Data Mining for Sports Analytics . 2019
• 4. The development of an alternate instrument to measure game performance in female minor ice hockey players. [D] . Fried, Shelley Lynn. 2010
• 5. Player and Game Characteristics and Head Impacts in Female Youth Ice Hockey Players [O] . Nick Reed, Tim Taha, Richard Greenwald, 2017
• 6. Measuring Football Players’ On-the-Ball Contributions from Passes During Games [O] . Lotte Bransen, Jan Van Haaren 2019

• 1. 业余足球比赛中守门员防守传中球的研究 [C] . 许明浩 . 第四届首都青年学者运动训练学理论与实践发展论坛 . 2011
• 2. 足球比赛视频中的球员跟踪算法研究 [A] . 宋子恺 . 2019