@Article{ OÑA:223-232,

author = { ANTONIO OÑA SICILIA } ,

title = { LEARNING VOLLEYBALL SERVES: A PRELIMINARY STUDY OF THE EFFECTS OF KNOWLEDGE OF PERFORMANCE AND OF RESULTS },

journal = { PERCEPTUAL AND MOTOR SKILLS },

year = { 1999 },

volume = { 89 },

issn = { 0031-5125 },

pages = { 223-232 },

}