An empirical relation between overburden pressure and firn density Kameda, Takao ; Shoji, Hitoshi ; Kawada, Kunio ; Watanabe, Okitsugu ; Clausen, Henrik B. Abstract Publication: Annals of Glaciology Pub Date: 1994 DOI: 10.3189/172756494794587267 Bibcode: 1994AnGla..20...87K