Horii, M., Sakai, H. and Takano, M. 2001. Variability in palaeoclimatic periodicity over 2,500 kyr from magnetic susceptibility of Lake Baikal sediments. Journal of Nepal Geological Society. 25, (Dec. 2001), 93–98. DOI:https://doi.org/10.3126/jngs.v25i0.32063.