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.
Mingli Song, Guangshe Jia. Performance and Productivity of Regional Air Transport Systems in China. ISPRS Int. J. Geo-Information, 10(2):83, 2021. [doi]
Abstract is missing.