TY - BOOK AU - Arnold Beckmann, Ulrich Berger, Benedikt Löwe, John V. Tucker TI - Logical Approaches to Computational Barriers SN - 978-3-540-35468-0 PY - 2006/// CY - Germany PB - Springer KW - Computer Science KW - Logical Approaches to Computational Barriers UR - http://link.springer.com/openurl?genre=book&isbn=978-3-540-35466-6 ER -