共 9 条
[1]
FAY FA, 1969, GEOCHIM COSMOCHIM AC, V33, P1429
[2]
RARE EARTH ABUNDANCES IN SOME BASIC ROCKS
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1968, 73 (18)
:6085-+
[3]
Gast P. W., 1968, HISTORY EARTHS CRUST, P15
[5]
KAY RL, IN PRESS
[6]
PAPANAST.DA, 1969, EARTH PLANET SC LETT, V5, P361
[7]
ALPHA-SCATTERING EXPERIMENT ON SURVEYOR 7 - COMPARISON WITH SURVEYORS 5 AND 6
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1969, 74 (25)
:6120-+
[8]
SCHNETZLER CC, IN PRESS
[9]
1969, SCIENCE, V165, P1211