Grau 1997 Grau, Lester W. (January 1997). "Chechen Anti-armor Techniques". Russian-Manufactured Armoured Vehicle Vulnerability in Urban Combat: The Chechnya Experience. Red Thrust Star. Archived from the original on April 30, 2010. Retrieved June 16, 2010.
Prakash & Kruse 2008, pp. 44–46. Prakash, Gyan; Kruse, Kevin Michael (2008). The spaces of the modern city: imaginaries, politics, and everyday life (illustrated ed.). Princeton University Press. pp. 44–46. ISBN978-0-691-13343-0.
"The Berlin streets are for the most part very broad and straight. They are surprisingly even; there is not a hill worthy of the name in the whole of the city" (Siepen 2011, p. 7). Siepen, Edith (2011). Peeps at Great Cities – Berlin. BoD – Books on Demand. p. 7. ISBN978-3-86403-134-2.
Ladd 1998, pp. 99–102. Ladd, Brian (1998). The Ghosts of Berlin: Confronting German History in the Urban Landscape (illustrated ed.). University of Chicago Press. p. 99–102. ISBN978-0-226-46762-7.
"In spite of the severe fighting ... great crowds of (Dutch) civilians thronged the streets (of Groningen) — apparently more excited than frightened by the sound of nearby rifle and machine-gun fire. Out of regard for these civilians, the Canadians did not shell or bomb the city, thereby accepting the possibility of delay and additional casualties" (Stacey 1966, Chapter XX: The Rhine Crossing and the 2nd Corps' Advance to the North Sea March 23-April 22, 1945) Stacey, C.P. (1966). Volume III: The Victory Campaign: The Operations in North West Europe 1944–1945. Official History of the Canadian Army in the Second World War.
Grau 1997 Grau, Lester W. (January 1997). "Chechen Anti-armor Techniques". Russian-Manufactured Armoured Vehicle Vulnerability in Urban Combat: The Chechnya Experience. Red Thrust Star. Archived from the original on April 30, 2010. Retrieved June 16, 2010.
