TY  - BOOK
AU  - Schaller,Waldemar T.
TI  - Zirconium and rare-earth minerals in 1916
T2  - Mineral Resources of the United States, 1916-Part II
U1  - 546.513 
PY  - 1917///
CY  - Washington, D.C.
PB  - Government Printing Office
KW  - MINERIA
KW  - CIRCONIO
KW  - OTROS MINERALES
N1  - Impreso
N2  - Zirconio y minerales de tierras raras
ER  -