id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-11427	Hazen, A. T.	The Manufacture and Testing of Durable Book Papers (Book Review)	1961	2	.pdf	application/pdf	1496	66	54	When book papers are made by the acid sulphite process, preservation becomes im- possible. For four hundred years after the first printers learned how to multi- ply the supply of books the demand for paper remained in uneasy equilibrium with the supply.	cache/crl-11427.pdf	txt/crl-11427.txt