Skating through the Ages: Skaters have been speeding up over the centuries, thanks to better footwear that allows longer strides for maximum efficiency.

• Autores: Adam Summers, Tom Moore (il.)
• Localización: Natural history, ISSN 0028-0712, Vol. 116, Nº. 10 (DIC-ENE), 2008, págs. 20-21
• Idioma: inglés
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