@article{bs-daai-04
, author = {Sergey Bereg and Michael Segal}
, title = {Dynamic Algorithms for Approximating Interdistances}
, journal = {Nordic Journal of Computing}
, year = {2004}
, volume = {11}
, number = {4}
, pages = {344--355}
, url = {http://www.cs.helsinki.fi/njc/}
}