Behrendt, J C Aeromagnetic and radio echo ice-sounding measurements show much greater area of the dufek intrusion, antarctica. [electronic resource] - Science (New York, N.Y.) Aug 1980 - 1014-7 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.209.4460.1014 doi