Authors:
Ding, LK
Zhu, QQ
Shen, CQ
Yao, ZG
Cheung, T
Vallinkoski, M
Citation: Lk. Ding et al., An approach to study the cosmic ray 'knee' composition from underground multimuon events at a shallower depth, HIGH EN P N, 23(6), 1999, pp. 584-588
Citation: Zr. Peng et al., A very high energy GLE event possibly associated with the X solar flare of15th June 1991, HIGH EN P N, 23(11), 1999, pp. 1033-1038