1. Brade, I., Makhrova, A.G., Nefedova, T.G., and Treivish, A.I., Specific features of suburbanization in Moscow agglomeration in post-Soviet period, Izv. Ross. Akad. Nauk, Ser. Geogr., 2013, no. 2, pp. 19–29.
2. Bugaev, M.A., Commuting migrations in the labor market of St. Petersburg and Leningrad oblast, Vestn. S.-Peterb. Univ., Ser. 5. Ekon., 2015, vol. 4, pp. 86–116.
3. Druzhinin, A.G., Metropolitan areas and metropolization in modern Russia: conceptual approaches in the political and geographical contexts, Izv. Ross. Akad. Nauk, Ser. Geogr., 2014, no. 1, pp. 19–27.
4. Zubarevich, N.V., Cities as centers of modernization of economy and human capital, Obshch. Nauki Sovrem., 2010, no. 5, pp. 5–19.
5. Zhitin, D.V., Spatial conditionality of the social settlement pattern of the population of St. Petersburg, Vestn. Assots. Ross. Geogr.-Obshchestvoved., 2015, no. 1(4), pp. 85–102.