Chubarenko. Physics ofLakes: Foundation of the Mathematical and Physical Background 1. 2011: 11. ISBN 978-3-642-15178-1. Unique body of water. Black Sea
Persistence of Ethnicity: Dutch Calvinist pioneers. By University of Illinois Press 1992, ISBN 0-252-01931-8 Stallaerts, Robert. The A to Z ofBelgium (2010)
1916), 94. Invasion ofBelgium. Spartacus.schoolnet.co.uk. [2013-11-13]. (原始内容存档于2013-11-18). Daily Mirror Headlines: The Declaration of War, Published 4