@misc{oai:nichibun.repo.nii.ac.jp:00002768,
 author = {Sprague,  David S. and Iwasaki,  Nobusuke},
 month = {Jun},
 title = {The Rapid Survey Maps: Japan's First Modern Topographic Maps and the GIS Analysis of Historical Land Use in the Kanto Plain},
 year = {2006}
}