@article{Fehsenfeld1975, <br/>
            author = { Fehsenfeld, F. C. and Lindinger, W. and 
Schmeltekopf, A. L. and 
Albritton, D. L. and 
Ferguson, E. E. } ,<br/>title = "{Energy dependence of the reaction NH_3^      H_2 - NH_4^      H}"  ,<br/> journal = {J. Chem. Phys.} ,<br/> year = 1975 ,<br/> volume = 62 ,<br/> pages = {2001-2003}  ,<br/> doi = {10.1063/1.430655}  <br/> }