Intermittent non-axial dipolar-field dominance of twin Laschamp excursions oleh Masayuki Hyodo, Takeshi Nakagawa, Hayato Matsushita, Ikuko Kitaba, Keitaro Yamada, Shota Tanabe, Balázs Bradák, Masako Miki, Danielle McLean, Richard A. Staff, Victoria C. Smith, Paul G. Albert, Christopher Bronk Ramsey, Akiteru Yamasaki, Junko Kitagawa, Suigetsu 2014 Project