1. The lunar photoelectron sheath: A change in trapping efficiency during a solar storm. Issue 5 (30th May 2013) Authors: Farrell, W. M.; Poppe, A. R.; Zimmerman, M. I.; Halekas, J. S.; Delory, G. T.; Killen, R. M. Journal: Journal of geophysical research Issue: Volume 118:Issue 5(2014:May) Page Start: 1114 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗