An evaluation of temporal and club angle parameters during golf swings using low cost video analyses packages oleh Henry H. Hunter, Ukadike C. Ugbolue, Graeme G. Sorbie, Wing-Kai Lam, Fergal M. Grace, Antonio Dello Iacono, Minjun Liang, Frédéric Dutheil, Yaodong Gu, Julien S. Baker