@ARTICLE\{IMM2002-01098, author = "K. Bormann", title = "Context Calibration", year = "2002", pages = "45 - 55", journal = "Virtual Reality: Research, Development and Application", volume = "6", editor = "", number = "1", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1098-full.html" }