TY  - BOOK
AU  - Gray, John.
TI  - Construction technology: today and tomorrow  
T2  - Teacher's Resource Guide
SN  - 0026757540
U1  - 624.1834 GRA 23
PY  - 1991///
CY  - Illinois
PB  - Glencoe
KW  - Concrete construction
KW  - Civil engineering
KW  - Concrete
KW  - Construction Technology
ER  -