@book{ Solr-1576381, title = {Poland 1:50,000.}, editor = {United States. Army Map Service}, address = {Washington}, publisher = {GPO}, year = {1954}, note = {Issued in quadrangles 15 minutes of latitude by 20 minutes of longitude.}, note = {"Transverse Mercator proj."}, note = {"Contour interval 10 meters; [some sheets] with supplementary contours at 5 meter intervals."}, note = {Marginal maps: Coverage diagram.--Index to adjoining sheets.--Index to boundaries.}, note = {Standard map series designation: M751.}, url = {http://www.lib.uchicago.edu/e/collections/maps/indexes/G6520-s50-U5-index.jpg} }