
Point-of-use assessment for self-contained self-rescuers randomly sampled from mining districts: second phase - sample period: January 2012 to June 2013.
Publication year - 2018
Language(s) - English
Resource type - Reports
DOI - 10.26616/npptlrepp20180102
Subject(s) - sample (material) , period (music) , point (geometry) , statistics , geography , mathematics , chemistry , physics , chromatography , acoustics , geometry