@article{DBLP:journals/cad/FischerS91,
author = {Anath Fischer and
Moshe Shpitalni},
title = {Accelerating the evaluation of volumetric modelers by manipulating
CSG trees and DAGs},
journal = {Computer-Aided Design},
volume = {23},
number = {6},
year = {1991},
pages = {420-434},
ee = {http://dx.doi.org/10.1016/0010-4485(91)90010-T},
bibsource = {DBLP, http://dblp.uni-trier.de}
}