IEEE/SOLI'2008 Trends
Retrofit Emission Control Technologies for On-Road, Off-Road, and Stationary Diesel Engines Manufacturers of Emission Controls Association May 2000.
Retrofit Emission Control Technologies for On- and Off-Road Diesel Engines Manufacturers of Emission Controls Association May 2002.
UNECE – Group of Experts on National Accounts, 9 May 2014, Item 7: Global Production Mark de Haan US, Mexico & Hong Kong Czech Republic US, Mexico & Hong.
