id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-322	Shelford, Victor	The Determination of Hydrogen Ion Concentration in Connection With Fresh-Water Biological Studies	1923	21	.pdf	application/pdf	7454	563	76	The influence of Hydrogen ion concentration on fertilization, development, growth, and survival in water deficient in dissolved oxygen . . . . . . . . . 381 Reactions of fish to differences in hydrogen ion concentrations.......... 385 An examination of certain Illinois waters with special reference to hydro- gen ion concentration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	cache/inhs-322.pdf	txt/inhs-322.txt