@CONFERENCE\{IMM2000-01171, author = "S. K. Johansen and O. Bang", title = "Soliton interaction in quadratic and cubic bulk media", year = "2000", pages = "160", booktitle = "Quantum Electronics and Laser Science Conference, {OSA} Technical Digest", volume = "", series = "", editor = "", publisher = "Optical Society of America", organization = "", address = "Washington {DC}", url = "http://www2.compute.dtu.dk/pubdb/pubs/1171-full.html" }