@book{biennial06-07,
editor = {Kimmo Raivio and Ricardo Vig\'ario and Leila Koivisto},
pages = {288},
publisher = {Yliopistopaino},
series = {Laboratory of Computer and Information Science, Helsinki University of Technology},
title = {Biennial Report of the Laboratory of Computer and Information Science 2006-2007},
year = {2008},
}