1876-6102 © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license 
(
http://creativecommons.org/licenses/by-nc-nd/4.0/
).
Peer-review under responsibility of KES International.
doi: 10.1016/j.egypro.2017.03.223
Med mindre annet er angitt, så er denne innførselen lisensiert som 1876-6102 © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ). Peer-review under responsibility of KES International. doi: 10.1016/j.egypro.2017.03.223