Media type: E-Article Title: Preface Contributor: Moller, Faron Published: Elsevier BV, 1997 Published in: Electronic Notes in Theoretical Computer Science, 9 (1997), Seite 1 Language: English DOI: 10.1016/s1571-0661(05)80421-9 ISSN: 1571-0661 Origination: Footnote: Access State: Open Access