Xu, Yan
Pötzi, Werner
Zhang, Hewei
Huang, Nengyi https://orcid.org/0000-0001-9049-0653
Jing, Ju
Wang, Haimin https://orcid.org/0000-0002-5233-565X
Article Title: Collective Study of Polar Crown Filaments in the Past Four Solar Cycles
Journal Title: The Astrophysical Journal Letters
Article Type: paper
Copyright Information: © 2018. The American Astronomical Society. All rights reserved.
Publication dates
Date Received: 2018-04-26
Date Accepted: 2018-07-17
Online publication date: 2018-08-01