Redirect Notice
The previous page is sending you to
https://www.sciencedirect.com/science/article/pii/S0254629915304622/pdf?md5=25de75f3eb26b8990cbf388583cc0ce6&pid=1-s2.0-S0254629915304622-main.pdf
.
If you do not want to visit that page, you can
return to the previous page
.