TY  - BOOK
AU  - Vorobyev V A
AU  - V A Vorobyev 
TI  - Building materials
U1  - 691 VOR 
PY  - 0000///
CY  - Moscow : 
PB  - Higher School Publishing House, 
KW  - Buildings materials
KW  - ceramic products
KW  - artificial stone
ER  -