Valeriy I. Usakov

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
First steps on the ski trail: How to teach children to cross-country ski	978-O-94O149-O8-3 (O-94O149-O8-7)	1998	Irina Bagajewa-Urbanek · V. A. Yakovlev