Redirect Notice
 The previous page is sending you to https://www.sciencedirect.com/science/article/pii/S1130147303705624/pdf?md5=877640d702d8c0f105104b96e05f9a2e&pid=1-s2.0-S1130147303705624-main.pdf.

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