Media type: E-Article Title: Phutball is PSPACE-hard Contributor: Dereniowski, Dariusz Published: Elsevier BV, 2010 Published in: Theoretical Computer Science, 411 (2010) 44-46, Seite 3971-3978 Language: English DOI: 10.1016/j.tcs.2010.08.019 ISSN: 0304-3975 Keywords: General Computer Science ; Theoretical Computer Science Origination: Footnote: Access State: Open Access