Redirect Notice
The previous page is sending you to
https://www.sciencedirect.com/science/article/pii/S1340354007703510/pdf?md5=90423e9aaf41b31943e536ffb6d4b315&pid=1-s2.0-S1340354007703510-main.pdf
.
If you do not want to visit that page, you can
return to the previous page
.