Tikhonov, Vladimir I., Volkov, Alexander A. (2002). Separation of Water into Its Ortho and Para Isomers. Science296 (5577): 2363. PMID12089435. DOI: 10.1126/science.1069513.
Carcassi, M. N., Fineschi, F. (June 2005). Deflagrations of H2–air and CH4–air lean mixtures in a vented multi-compartment environment. Energy30 (8): 1439–1451. DOI: 10.1016/j.energy.2004.02.012.
Tikhonov, Vladimir I., Volkov, Alexander A. (2002). Separation of Water into Its Ortho and Para Isomers. Science296 (5577): 2363. PMID12089435. DOI: 10.1126/science.1069513.
ox.ac.uk
physchem.ox.ac.uk
Staff, Safety data for hydrogen. Chemical and Other Safety Information. The Physical and Theoretical Chemistry Laboratory, Oxford University (10 september 2005). Geraadpleegd op 5 februari 2008.
Hritz, James, CH. 6 - Hydrogen (PDF). NASA Glenn Research Center Glenn Safety Manual, Document GRC-MQSA.001. NASA (March 2006). Gearchiveerd op 28 oktober 2006. Geraadpleegd op 5 februari 2008.
Werthmüller, Andreas, The Hindenburg Disaster. Swiss Hydrogen Association. Gearchiveerd op 22 januari 2011. Geraadpleegd op 5 februari 2008.
