@article{ROLLINS17_GRL,
   author = "A. W. Rollins and T. D. Thornberry and L. A. Watts and P. Yu and 
             K. H. Rosenlof and M. Mills and E. Baumann and F. R. Giorgetta
             and T. V. Bui and M. H{\"o}pfner and K. A. Walker and C. Boone
             and P. F. Bernath and P. R. Colarco and P. A. Newman and
             D. W. Fahey and R. S. Gao",
   title  = "The role of sulfur dioxide in stratospheric aerosol formation
             evaluated by using in situ measurements in the tropical
             lower stratosphere",
   journal= "Geophys. Res. Lett.",
   volume = "44",
   doi    = "10.1002/2017GL072754",
   number = "9",
   pages  = "4280-4286",
   year   = "2017"   }