@inbook{Francis1998,
author = {Francis, B. and Fuller, M. and Pritchard, J.},
title= {The use of visualization in the examination of categorical event histories},
year = {1998},
doi = {10.1016/B978-012299045-8/50005-X.},
editor = {Blasius, J.},
editor = {Greenacre, M.},
booktitle = {Visualization of categorical data},
pages = {47--III},
}