@article{RISC264,
author = {J.R. Sendra and F. Winkler},
title = {{Tracing Index of Rational Curve Parametrizations}},
language = {english},
journal = {Computer Aided Geometric Design 18},
pages = {771--795},
isbn_issn = {ISSN 0167-8396},
year = {2001},
refereed = {yes},
length = {25}
}