@article{Daranlot2012, <br/>
            author = { Daranlot, J. and Hincelin, U. and  Bergeat, A. and  Costes, M. and  Loison, J.C. and  Wakelam, V. and  Hickson, K.M. } ,<br/>title = "{Elemental nitrogen partitioning in dense interstellar clouds}"  ,<br/> journal = {Proceedings of the National Academy of Sciences} ,<br/> year = 2012 ,<br/> volume = 109 ,<br/> pages = {10233}  ,<br/> doi = {10.1073/pnas.1200017109}  <br/> }