1. Effect of ammonia as potential fuel impurity on proton exchange membrane fuel cell performance;Uribe;J. Electrochem.l Soc.,2002
2. G. Schnitkey, Farm Business Management, Department of Agriculture and Consumer Economics, University of Illinois, 2003.
3. Production prices based on Methanex non-discounted US reference price for 2003.
4. F. Lynch, Ammonia Hydride Hydrogen Generator, Final Report, Hydrogen Components Inc., 2001.
5. Lithiumaluminiumamid, LiAl(NH2)4, Darstellung, rontgenographische Untersuchung, Infrarotspektrum und thermische Zersetzung;Jocobs;J. Anorg. Allg. Chem.,1985