?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.entcs.2004.10.028&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Tuosto&rft.aufirst=Emilio&rft.au=Tuosto%2C+Emilio&rft.title=Electronic+Notes+in+Theoretical+Computer+Science&rft.atitle=An+observational+model+for+spatial+logics&rft.date=January+2006&rft.volume=142&rft.pages=229-254&rft.issn=1571-0661&rft.genre=article