@Article{ExcludedSums_SIAMNews,
AUTHOR = {Erik D. Demaine and Martin L. Demaine and Alan Edelman and
Charles E. Leiserson and Per-Olof Persson},
TITLE = {Building Blocks and Excluded Sums},
JOURNAL = {SIAM News},
journalurl = {http://www.siam.org/news/},
VOLUME = 38,
NUMBER = 1,
MONTH = {January},
YEAR = 2005,
PAGES = {1, 4, 6},
unrefereed = 1,
}