Lifeguard vigilance training [videorecording] /
For the first time ever, two videos, dissapperaring Dummies : Why lifeguards Cant' see and The 5- minute scanning strategy, are combined conveniently on one DVD. World-renowed aquatic safety expert to Griffiths explains the challeneges caused by visual body blindness and introduces new techniq...
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Champaign, IL : Human Kinetics,
2007
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