1. Convoys of social support: generation issues;Antonucci, T. C.,1991
2. 21st Century Security and CPTED
3. ANALYTICAL MAPPING OF REGISTERED CRIMINAL ACTIVITIES IN VILNIUS CITY
4. http://www.theatlanticcities.com/neighborhoods/2013/03/mixed-use-neighborhoods-may-be-safer-ones-too/4962/
5. Notes on the Geometry of Crime;Brantingham, P. L.,1981