@article{Millar1990, <br/>
            author = { Millar, T. J. and Herbst, E. } ,<br/>title = "{Organo-sulphur chemistry in dense interstellar clouds}"  ,<br/> journal = {Astronomy & Astrophysics} ,<br/> year = 1990 ,<br/> volume = 231 ,<br/> pages = {466-472}  <br/> }