@article{Muangha:2021KK, author = "Muangha, Pradiphat and Ruffolo, David and Sáiz, Alejandro and Banglieng, Chanoknan and Evenson, Paul and Seunarine, Surujhdeo and Oh, Suyeon and Jung, Jongil and Duldig, Marc and Humble, John", title = "{Time-Delay Measurements from Antarctic Neutron Monitor Stations Indicate Weak Spectral Changes during 27-day Variations}", doi = "10.22323/1.395.1285", journal = "PoS", year = 2021, volume = "ICRC2021", pages = "1285" }