@book{28499,
	author = {Arrhenius, Olof,},
	title = {Markreaktionen hos sydsvenska jordar.},
	publisher = {Norstedt,},
	year = {1950.},
	series = {Sveriges geologiska undersökning. Ser. C. Avhandlingar och uppsatser,},
	address = {Stockholm,},
	note = {Summary: Soil acidity in southern Sweden.}
}