Saya mau tau Tempo ogé dari Lemah Héjo. Jelaskan dalam bahasa sunda

Ehrlich, Gretel, This Cold Heaven: Seven Seasons in Greenland, (Vintage, 2003)

Kpomassie, Tete-Michel, An African in Greenland, (NYRB Classics, 2001)

Alley, Richard B. The Two-Mile Time Machine: Ice Cores, Abrupt Climate Change, and Our Future. Princeton University Press, 2000, ISBN 0-691-00493-5.

Bardarson, I. (ed. Jónsson, F.) "Det gamle Grønlands beskrivelse af Ívar Bárðarson (Ivar Bårdssön)", (Copenhagen, 1930).