"Long-term, hi-res tracking of eruptions on Jupiter’s moon Io"
Robert Sanders, Media relations, October 20, 2016
http://news.berkeley.edu/2016/10/20/long-term-hi-res-tracking-of-eruptions-on-jupiters-moon-io/"Time variability of Io's volcanic activity from near-IR adaptive optics observations on 100 nights in 2013–2015"
Katherine de Kleer, Imke de Patera 2016
http://www.sciencedirect.com/science/article/pii/S0019103516303104-------------------------------------------------