TY  - BOOK
AU  - Zwaan,J.C
TI  - Scripta Geologica: Germmolgy,geology and origin of the Sandawana emerald deposit,Zimbabwe
SN  - 0375-7587, 90-6391-001-0
PY  - 2006///
CY  - LeidenbNational Museum of Natural history
KW  - gemmology
KW  - emrald deposits
KW  - Zimbabwe
N1  - script 131, cover title
ER  -