@inproceedings{Modzelewska:2021Ha, author = "Modzelewska, Renata and Gil, Agnieszka", title = "{Periodic variations of GCR intensity and anisotropy related to solar rotation by ACE/CRIS, STEREO, SOHO/EPHIN and neutron monitors observations}", doi = "10.22323/1.395.1271", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "1271" }