Keskinen, K. L., Rodriguez, F. A. & Keskinen, O. P. (2003). Respiratory snorkel and valve system for breath-by-breath gas analysis in swimming. Scandinavian Journal of Medicine & Science in Sports, Kopenhagen 13(2003)5, S. 322-329, 7 Abb., 1 Tab., 20 Lit..
APA (7th ed.) CitationKeskinen, K. L., Rodriguez, F. A., & Keskinen, O. P. (2003). Respiratory snorkel and valve system for breath-by-breath gas analysis in swimming Scandinavian Journal of Medicine & Science in Sports.
Chicago Style (17th ed.) CitationKeskinen, K. L., F. A. Rodriguez, and O. P. Keskinen. "Respiratory Snorkel and Valve System for Breath-by-breath Gas Analysis in Swimming." Scandinavian Journal of Medicine & Science in Sports 2003.
MLA (9th ed.) CitationKeskinen, K. L., et al. "Respiratory Snorkel and Valve System for Breath-by-breath Gas Analysis in Swimming." Scandinavian Journal of Medicine & Science in Sports, 2003.