TY  - BOOK
AU  - Idorn,G.M.
TI  - Concrete Progress: From Antiquity to Third Millenium 
SN  - 0727726315
U1  - 620.136 21
PY  - 1997///
CY  - London
PB  - Thomas Telford,
KW  - Concrete
KW  - History
KW  - Research
ER  -