1. (1) Ministry of Land, Infrastructure: Transport and Tourism, White Paper on Land, Infrastructure, Transport and Tourism (2015)
2. (2) National Police Agency of Japan: White Paper of Police (2015)
3. (3) National Police Agency of Japan: Reports of Criminal Trend in Japan (2013)
4. (4) A. Ishikawa, M. Nabeshima, and H. Suzuki: “Relationships Between the Occurrence of Snatch and Road Spatial Factors”, Vol. 74, No. 635, pp. 55-61 (2009) (in Japanese)
5. (5) H. Deguchi, Y. Mori, K. Nakamura, and S. Kashihara: “Study on the occurrence tendency of snatch on the street”, Technical report of Kinki branch, Architectural Institute of Japan, Vol. 51, pp. 217-220 (2011) (in Japanese)