TY - RPRT TI - Europa's differentiated internal structure: inferences from four Galileo encounters AU - Anderson, J. D. AU - Schubert, G. AU - Jacobson, R. A. AU - Lau, E. L. AU - Moore, W. B. AU - Sjogren, W. L. PY - 1998 UR - https://ntrs.nasa.gov/citations/20040172554 ID - 20040172554 ER -