Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Tao Liu, Chao Lu, Qingyun Liu, Yiwen Zha. Coal and Rock Hardness Identification Based on EEMD and Multi-Scale Permutation Entropy. Entropy, 23(9):1113, 2021. [doi]