id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-3415		cet-3415		6	.pdf	application/pdf	3696	208	59	Nevertheless, they were obliged to develop engineering solutions to the problem. 3.2 Research angle and limitations Here we present a shortened version of our work on engineering solutions.	cache/cet-3415.pdf	txt/cet-3415.txt