@book{76620,
	author = {Barnum, H. Gardiner.},
	title = {Market centers and hinterlands in Baden-Württemberg.},
	publisher = {[Dept. of Geography, University of Chicago] ,},
	year = {1966.},
	series = {University of Chicago. Dept. of Geography. Research paper},
	address = {Chicago :},
	note = {"Report no. 27, Foreign field research program, administered by the Division of Earth Sciences, National Academy of Sciences-National Research Council."}
}