TY  - BOOK
AU  - Troxell, George Earl and Davis, Harmer e.
TI  - Composition and properties of concrete
U1  - 624.1834 
PY  - 1956///
CY  - New York
PB  - ; Mcgraw-Hill Book
KW  - Civil Engineering
KW  - Concrete
KW  - Engineering
ER  -