?url_ver=Z39.88-2004&rft_id=doi%3A10.5114%2Fbiolsport.2019.83507&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Martin-Garcia%2C+Andres&rft.aufirst=Andres&rft.aulast=Martin-Garcia&rft.pages=171-180&rft.issue=2&rft.date=2019&rft.atitle=Positional+demands+for+various-sided+games+with+goalkeepers+according+to+the+most+demanding+passages+of+match+play+in+football&rft.title=Biology+of+Sport&rft.issn=0860-021X&rft.volume=36&rft.genre=article