id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-515		cet-515		6	.pdf	application/pdf	3430	141	55	The next step of this study is to identify the equation in defining the relationship between air emission and the amount of goods to be transported by different transport modes. However, the transport modes with lower GHGs emission do not necessary produce lower emission of air pollutants.	cache/cet-515.pdf	txt/cet-515.txt