@book { 98592, title = {Das Megalithgrab Espel I, Gemeinde Recke, Kreis Steinfurt}, volume = {29}, year = {1993}, publisher = {Bodenaltertumer Westfalens}, keywords = {Germania, tombe megalitiche}, ISBN = {3402051486}, URL = {Bibl.Lab.D.Viet.1}, author = {Viets M.} }