1. Al Asfar JJ. Modeling and testing of a fuel cell utilizing local sand for hydrogen storage. Doctoral dissertation, The University of Jordan, Amman-Jordan; 2007.
2. A three-dimensional mathematical model for absorption in a metal hydride bed;Aldas;Int J Hydrogen Energy,2002
3. Heat transfer from a surface covered with hair;Bejan,1991
4. Fluid flow through packed columns;Ergun;Chem Eng Prog,1952
5. Fuel cell technology hand book;Hoogers,2003