@article{Mitchell1984, <br/>
            author = { Mitchell, G. F. } ,<br/>title = "{Effects of shocks on the molecular composition of a dense interstellar cloud}"  ,<br/> journal = {Astrophysical Journal Supplement Series } ,<br/> year = 1984 ,<br/> volume = 54 ,<br/> pages = {81-101}  ,<br/> doi = {10.1086/190919}  <br/> }