On the theory of the strength of hardened cement paste and concrete. Zur Theorie der Festigkeit von Zementstein und Beton. (Translated from) Silikattechnik, 1967, 16 (4), 109-10.
Virodov, I. P.
Petrosyan, O. P. Mchedlov.
Garston, 
1967.
Joint authors: I.P. Virodov and O.P. Mchedlov Petrosyan.
Duplicated.