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Author: WikiMatrix
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English[en]
David Arseneault, the architect of the Grinnell System, added to Westhead's system by substituting players in three waves of five players, similar to an ice hockey shift.
Spanish[es]
David Arseneault, el arquitecto del sistema Grinnell, sumó al sistema de Westhead la sustitución de jugadores en tres olas de cinco jugadores, similar a un turno de hockey sobre hielo. Webber, Elizabeth; Feinsilber (1999).