TY  - BOOK
AU  - Troxell, George Earl,
AU  - Davis,Harmer Elmer
AU  - Kelly, J. W.,
TI  - Composition and properties of concrete
T2  - McGraw-Hill civil engineering series
AV  - TA439 T74
PY  - 1956///
CY  - New York
PB  - McGraw-Hill
KW  - Concreto
ER  -