TY  - BOOK
AU  - Rice, Harmon Howard
TI  - Concrete-block manufacture: Processes and machines 
AV  - TP871 R53 1906
PY  - 1906///
CY  - New York, London
PB  - J. Wiley, Chapman and Hall
KW  - Piedra artificial
KW  - Bloques de concreto
ER  -