Total Visits

Views
The effect of air pollution on stone decay: the decay of the Drachenfels trachyte in industrial, urban, and rural environments—a case study of the Cologne, Altenberg and Xanten cathedrals187

Total Visits Per Month

March 2019April 2019May 2019June 2019July 2019August 2019September 2019October 2019November 2019December 2019January 2020February 2020March 2020April 2020May 2020June 2020July 2020August 2020September 2020October 2020November 2020December 2020January 2021February 2021March 2021
The effect of air pollution on stone decay: the decay of the Drachenfels trachyte in industrial, urban, and rural environments—a case study of the Cologne, Altenberg and Xanten cathedrals126733112556883132321511363932

File Visits

Views
12665_2012_Article_2161.pdf133

Top country views

Views
United States76
Germany41
Ukraine10
Sweden9
China8
Netherlands7
Seychelles7
Italy5
Australia3
Ireland3

Top cities views

Views
Ashburn36
Berlin23
Fairfield18
Höst12
Cambridge7
Rotterdam4
Shenzhen4
Brooklyn3
Dublin3
Beijing2