@book{Holtfrerich2010,
author = {Holtfrerich, Carl-Ludwig},
year = {2010},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {The Roosevelts and foreign trade},
url = "http://dx.doi.org/10.17169/refubium-21891",
}