id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
esrj-57177	Vargas J., Carlos A.	Letter from the editor	2016	1	.pdf	application/pdf	451	23	59	It is not just Earth Sciences Research Journal that is changing, so too is the global petroleum market. Comments, reviews, and suggestions are always welcomed in Earth Sciences Research Journal through the mail account earthjour_fcbog@unal.edu.co.	cache/esrj-57177.pdf	txt/esrj-57177.txt