@inproceedings{xi97kgc,
author = "Xi, Hongwei",
title = {Upper bounds for standardisation and an application},
booktitle = "5th Kurt G{\"o} Colloquium",
series = "Lecture Notes in Computer Science",
volume = "1289",
pages = "335--348",
year = 1997,
month = "September",
place = "Vienna"
}