TY  - BOOK
AU  - Betekhtin,A.G.
TI  - A course of mineralogy
AV  - QE363 .B3713
U1  - 549 
PY  - 1964///]
CY  - Moscow
PB  - Peace Publishers
KW  - Mineralogy
N1  - Added t.p. in Russian; Translation of Kurs mineralogii (romanized form)
ER  -