4Gauri KL Bandyopadhyay J K. Carbonate Stone-Chemical behaviour, derability, and conservation [M]. New York:John Wiley - Sons. 1999, 284.
5:iochon R, James J. The battle of Angkor War [J]. New Scientist, 1989, 124(1686) : 52--57.
6Trudgill S T, Viles H A, et al. Remesurement of weathering rates, St, Paul's Cathedral, London [J]. Earth Surface Processes and Landforms, 1989, 14(3) 175-- 196.
7Chen S F, Zhang J. Biodeterioration of Chinese Monuments [J]. Intemational Lichenological Newsletter, 1993, 26 (1) : 10--12.
8Toniolo L, Zerbi C M, Bugini R. Black layers on historical architecture [J]. Environ Sci Pollut Res, 2009, 16(2) : 218 --226.
9Yaluris G, Ziebarth M S, Zhao X. Compositions and processes for reducing NOx emissions during fluid catalytic crack- ing: US, 20090068079Al[P]. 2009,.
10Birol F. World energy outlook 2010[M]. Pairs: Iea Publications, 2011.