Redirect Notice
The previous page is sending you to
https://www.sciencedirect.com/science/article/pii/S1340354007703479/pdf?md5=8c89c32dc783b9db6ee4ccd57ac829ce&pid=1-s2.0-S1340354007703479-main.pdf
.
If you do not want to visit that page, you can
return to the previous page
.