Redirect Notice
 The previous page is sending you to https://www.sciencedirect.com/science/article/pii/S1468164110605555/pdf?md5=a17d5af5519de56a7348234526656be4&pid=1-s2.0-S1468164110605555-main.pdf.

 If you do not want to visit that page, you can return to the previous page.