TY  - BOOK
AU  - KORBEL,Petr
AU  - Milan Novak
TI  - The Complete Encyclopedia of Minerals: : Descriptions of over 600 Minerals from around the world
SN  - 90-366-1506-2
U1  - 503. 
PY  - 2004///
CY  - Netherlands
PB  - Rebo Publishers
KW  - 0
KW  - Grade 7-9
ER  -