TY  - BOOK
AU  - INTERNATIONAL TRADE CENTER.
ED  - INTERNATIONAL TRADE CENTER.
TI  - Markets for onyx marble and hard stones
U1  - "X9(H22133):54.1.N7, L1/UN" 
PY  - 1971///
CY  - Geneva
PB  - ITC       
KW  - Minerals
N1  - Appendix: p91-109
ER  -