Ken Roberts - - Cross Country Skiing

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by year

2007 : a

2006 : b : a

[ earlier 2006 : later 2006 ]

  • [ to be added ]

2005

  • [ to be added ]

2004

[ to be added ]

2003

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2002

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more . . .

see also

 

concept words: ski skiing cross country cross-country xc snow skier skiers skis nordic roberts report reports learn learning

skating: skate skates skater skaters push glide

inline ice speed speedskate speedskating speedskater speedskaters roller

technique: techniques technical theory theories theoretical physics physical biomechanics biomechanical mechanics mechanical model models concept concepts idea ideas