1. Global CO2 emissions from cement production;Andrew;Earth Syst. Sci. Data,2018
2. “Ammonia, 1. Introduction”, Ullmann's Encyclopedia of Industrial Chemistry;Appl,2011
3. “Ammonia, 2. Production Processes”, Ullmann's Encyclopedia of Industrial Chemistry;Appl,2011
4. Arretz, E., 1999. Process for the Synthesis of 3-mercaptopropionic Acid. US 5877349.
5. Technische Chemie;Baerns,2013