[1] E. Puchins, Historical and Urban Planning Fundamentals of Old Riga Regeneration, Riga: Zinatne, 1989.
[2] V. Vechersky, Urban Heritage in Ukraine (Theory and Practice of the Historical, Urban and Heritagwguarding Studies of Settlements, Kyiv, 2003.
[3] Merriam-Webster Dictionary. An Encyclopædia Britannica Company, 2015. http://www.merriam-webster.com/