TY  - BOOK
AU  - Troxell, George Earl
AU  - Davis, Harmer E.
AU  - Kelly, Joe Wallace
TI  - Composition and Properties of Concrete 
U1  - 620.136 
PY  - 1968///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Concrete Construction
N1  - NN
ER  -