@inbook{Unwin2006,
author = {Unwin, A.},
title= {Interacting with graphics},
year = {2006},
doi = {10.1007/0-387-37977-0_4},
editor = {Unwin, A.},
editor = {Theus, M.},
editor = {Hofmann, H.},
booktitle = {Graphics of large datasets: Visualizing a million},
address = {New York},
publisher = {Springer},
}