id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71716	Salonen, Martti	Apatite as a phosphorus fertilizer	1968	10	.pdf	application/pdf	3512	202	68	Treatments and numbers of test pots: phosphorus fertilization 0 Treatments and numbers of test pots: phosphorus fertilization 0	cache/afs-71716.pdf	txt/afs-71716.txt