TY  - BOOK
AU  - Lorenz,Walter
AU  - Gwosdz,Werner
TI  - Manual on the geological-technical assessment of mineral constructio n material / 
SN  - 3510959175
U1  - 338.456 
PY  - 2003///
CY  - Hannover : 
PB  - Bundesanstalt Geowissenschaften Rohstoften, 
KW  - Industrial minerals
KW  - Geology
KW  - Building materials
N1  -  Includes bibliographical references
ER  -