TY  - BOOK
AU  - Bauer, Max Hermann,
AU  - Spencer, Leonard James
TI  - Precious stones
SN  - 0-486-21910-0
AV  - QE392 B35
PY  - 1968///
CY  - New York
PB  - Dover
KW  - Perlas
KW  - Corales
KW  - Piedras preciosas
N1  - Subtitulo: a. popular acount of their characters, occurrence and applications with an introduction to their determination, for mineralogists, lapidaris, jewellers, etc. with an appendix on pearls and coral
ER  -