TY  - BOOK
ED  - American Concrete Institute
TI  - Proceedings of the twenty-fifth annual convention, held at detroit, michigan, february 12, 13 and 14, 1929
T2  - American concrete institute
AV  - TA681 A52
PY  - 1929///
CY  - Detroit, michigan
PB  - American concrete institute
KW  - Cemento
KW  - Sociedades
KW  - Construcciones de concreto
KW  - Construcción
KW  - Sociedades, etc
ER  -