@article{Ygbuhay:2016p1, author = "Ygbuhay, Roger", title = "{Cosmic ray hard sphere scattering in solar wind and heliospheric modulation parameters: 1963-2013 }", doi = "10.22323/1.236.0103", journal = "PoS", year = 2016, volume = "ICRC2015", pages = "103" }