@book{ BA13751917, author = "Stamp, L. Dudley (Laurence Dudley) and Blake, G. Noel and Clark, Audrey N.", title = "Chisholm's handbook of commercial geography", publisher = "Longman", year = "1980", edition = "20th ed. / rev. by G. Noel Blake and Audrey N. Clark", URL = "https://ci.nii.ac.jp/ncid/BA13751917" }