Diffusion coefficients of calcium in the liquid phase during calcination of Portland cement. O koeffitsientakh diffuzii kal'tsiya v zhidkoi faze pri obzhige portland-tsementogo klinkera /
Budnikov, Peter Petrovich.
Kholin, I. I.
Entin, Z. B.
Garston, 
1963.
Reproduced from typewriting.