Cassini ENA Observations of an Asymmetric Europa Torus with Indications of Dynamics
Proceedings article published in 2014 by
P.~C Brandt,
J.~H Westlake 
,
D.~G Mitchell,
B. Mauk,
H.~T Smith
,
D.~G Mitchell,
B. Mauk,
H.~T Smith
