@article{419888,
      recid = {419888},
      title = {The role of protein and amino acids in sustaining and  enhancing performance [electronic resource] /},
      publisher = {National Academy Press,},
      address = {Washington, D.C. :},
      pages = {xviii, 429 p. :},
      year = {1999},
      url = {http://library.usi.edu/record/419888},
}