Determination of 36 elements in Apollo 14 bulk fines 14163 by activation analysisA.O. Brunfelt; K.S. Heier; E. Steinnes; B. Sundvoll · 1971

Rare-earth element distribution in basic and ultrabasic rocks from west NorwayL.B. Garmann; A.O. Brunfelt; K.G. Finstad; K.S. Heier · 1975

Scandium, chromium, iron, cobalt and nickel in some basic and ultrabasic rocks from west NorwayL.B. Garmann; A.O. Brunfelt; K.S. Heier · 1976

Rare earth element distribution in anorthosites and associated high grade metamorphic rocks, Lofoten-Vesteraalen, NorwayT.H. Green; A.O. Brunfelt; K.S. Heier · 1969

Rare-earth element distribution and K/Rb ratios in granulites, mangerites and anorthosites, Lofoten-Vesteraalen, NorwayT.H. Green; A.O. Brunfelt; K.S. Heier · 1972