TY  - BOOK
AU  - Helmuth, Richard A.
AU  - Turk, Danica, H., coaut.
TI  - Elastic moduli o hardened portland cement and tricalcium si-licate pastes: effect of porosity / by Richard A. Helmuth a-nd Danica H. Turk
CY  - Skokie, Illinois : atories
ER  -