@InProceedings{abb-amps-91,
author = { Helmut Alt and Bernd Behrends and Johannes Bl{\"o}mer },
title = { Approximate matching of polygonal shapes },
booktitle = { Proc. 7th Annu. ACM Sympos. Comput. Geom. },
year = { 1991 },
pages = { 186-193 },
}
