1. Bezrodny JN (1988) Experience in organizing pedestrian zones in the cities of USSR, 2nd edn. Stroyizdat, Moscow
2. Buga P (1980) Organization of pedestrian traffic in cities: a tutorial, 1st edn. Vy`sshaya shkola, Moscow
3. Valeev P (1983) Pedestrian spaces in urban centers, 2nd edn. Stroyizdat, Moscow
4. Liberman S (1982) Organization of pedestrian zones in big cities, 1st edn. MGYNTI, Moscow
5. Pronin E (1987) Planning features of pedestrian zones in citiesFRG, 1st edn. E`kspress—informacziya MGCzNTI, 4/1, Moscow