\input zb-basic \input zb-ioport \iteman{io-port 05771635} \itemau{Cabello, Sergio} \itemti{Many distances in planar graphs.} \itemso{Proceedings of the Seventeenth Annual ACM-SIAM Symposium on Discrete Algorithms, Miami, FL, January 22--24, 2006. New York, NY: Association for Computing Machinery (ACM); Philadelphia, PA: Society for Industrial and Applied Mathematics (SIAM) (ISBN 0-89871-605-5). 1213-1220 (2006).} \itemcc{} \itemut{} \itemli{doi:10.1145/1109557.1109691} \end