Further reading

Trundle I. 1991. Australian Nordic Ski Instructor Manual.
Crawford-Currie R. 1982. Cross Country Skiing. Pelham Books, London, UK.
Dostal G. 1988. Cross Country Skiing, 3rd edn.
Main L. 1980. Mountaincraft Mountain Safety Manual 3, 2nd edn. NZ Mountain Safety Council, Wellington, New Zealand.
Hurley O. 1975. The Snowshoe Book, 2nd edn.