@inproceedings{Label,
   author = {Henry Riche, Nathalie, Inkpen, Kori M., Stasko, John, Gross, Tom and Czerwinski, Mary},
   title = {Supporting Asynchronous Collaboration in Visual Analytics Systems},
   booktitle = {Proceedings of the International Conference on Advanced Visual Interfaces - AVI 2012},
   address= {New York},
   publisher = {ACM},
   pages = {809-811},
   note  = {ISBN: 978-1-4503-1287-5
   (May 21-25, Anacapri, Italy)},
   year = {2012} 
}