TY  - BOOK
AU  - Gillette, Halbert Powers,
AU  - Hill, Charles Shattuck,
TI  - Concrete construction: Methods and cost 
AV  - TA681 G55
PY  - 1908///
CY  - New York
PB  - Myron c. clark
KW  - Construcciones de concreto
ER  -