The age specifics of the efficiency of hypocic preparation in race walking

The age specifics of the efficiency of hypocic preparation in race walking / Martin Pupiš ... [et al.]

In Sport and Science. -- Sofia : Nacionalna Sportna Akademija "Vasil Levski", 2009. -- ISSN 1310-3393. -- Roč. 35, č. 1 (2009), s. 50-55