Metadata
Author: WikiMatrix
Data
English[en]
1920 – Effect of Tannic Acid on Strength of Concrete 1921 – Quantities of Materials for Concrete, D. A. Abrams en Stanton Walker (Recipes for concrete reporting its strength after 28 days of curing ranging from 2000 to 4000 psi).
Dutch[nl]
1920 - Effect of Tannic Acid on Strength of Concrete 1921 - Quantities of Materials for Concrete, D. A. Abrams en Stanton Walker (Receptuur voor beton met sterkte na 28 dagen harden variërend van 2000 tot 4000 psi (Pound per square inch)).