PT - JOURNAL ARTICLE AU - F. W. Mar TI - Certain points in the estimation of barium as the sulphate AID - 10.2475/ajs.s3-41.244.288 DP - 1891 Apr 01 TA - American Journal of Science PG - 288--295 VI - s3-41 IP - 244 4099 - http://www.ajsonline.org/content/s3-41/244/288.short 4100 - http://www.ajsonline.org/content/s3-41/244/288.full SO - Am J Sci1891 Apr 01; s3-41