Guillermo E. Valencia, Luis G. Obregon, Jorge E. Duarte
      A bibliometric analysis of diesel engine publication from 2007 to 2018
      Contemporary Engineering Sciences, Vol. 11, 2018, no. 56, 2803-2812
      https://doi.org/10.12988/ces.2018.86279

Copyright © 2018 Guillermo E. Valencia, Luis G. Obregon and Jorge E. Duarte. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.