PT - JOURNAL ARTICLE AU - Harrington, E. A. TI - X-ray diffraction measurements on some of the pure compounds concerned in the study of Portland cement AID - 10.2475/ajs.s5-13.78.467 DP - 1927 Jun 01 TA - American Journal of Science PG - 467--479 VI - s5-13 IP - 78 4099 - http://www.ajsonline.org/content/s5-13/78/467.short 4100 - http://www.ajsonline.org/content/s5-13/78/467.full SO - Am J Sci1927 Jun 01; s5-13