Amodifiedmodelfortheemissionofsecondaryelectronsbylowenergyelectronimpact
PENG Kai, LI Jing, ZHANG Ying-Jun, SU Chen, CUI Wan-Zhao
Chinese Space Science and Technology . 2017, (2): 32 -38 .  DOI: 10.16708/j.cnki.1000-758X.2017.0039