@article{Mitchell1984, <br/>
            author = { Mitchell, G. F. } ,<br/>title = "{Effects of shocks on the sulfur chemistry of a dense interstellar cloud}"  ,<br/> journal = {Astrophysical Journal} ,<br/> year = 1984 ,<br/> volume = 287 ,<br/> pages = {665-670}  ,<br/> doi = {10.1086/162723}  <br/> }