The previous page is sending you to https://www.sciencedirect.com/science/article/pii/S0254629916310596/pdf?md5=11f472cf81e61997e5a0f534446832b7&pid=1-s2.0-S0254629916310596-main.pdf&_valck=1.

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