scholarly journals Rare earth element abundances in stony spherules from deep-sea sediments.

1992 ◽  
Vol 26 (4) ◽  
pp. 197-206
Author(s):  
Keiji Misawa ◽  
Kazuo Yamakoshi ◽  
Ken-ichi Nogami ◽  
Koshi Yamamoto ◽  
Noboru Nakamura
2015 ◽  
Vol 44 (6) ◽  
pp. 442-446 ◽  
Author(s):  
Pengfei Sun ◽  
Biao Deng ◽  
Guohao Du ◽  
He Li ◽  
Weidong Sun ◽  
...  

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