@book{59692,
	author = {Brown, R. N. Rudmose},
	title = {The principles of economic geography /},
	publisher = {Sir Isaac Pitman,},
	year = {1946.},
	address = {London :},
	edition = {4 ed},
	note = {Includes index.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-10683.pdf}
}