TY  - BOOK
AU  - Ford, C. L.
AU  - LeMar, Lorrayne, coaut.
TI  - polarographic method for the direct determination of alumin-ium oxide in portland cement / by C. L. Ford and Lorrayne L-eMar
CY  - Chicago : Portland Cement Association, Research Laboratories
N1  - "Authorized reprint from copyrighted ASTM Bulletin, No. 157-, March, l949"
ER  -