TY  - BOOK
ED  - Symposium On Structure Of Portland Cement Paste And Concrete
TI  - Symposium on structure of portland cement paste and concrete: Subject classification 
T2  - Publicacion / national research council
AV  - TA439 S95 1965
PY  - 1966///
CY  - Washington, D.C.
PB  - Highway research board
KW  - Concreto
KW  - Pruebas
KW  - Congresos
KW  - Cemento Portland
ER  -