共 56 条
[1]
ALTREE-WILLIAMS S, 1977, Annals of Occupational Hygiene, V20, P109, DOI 10.1093/annhyg/20.2.109
[4]
Anderson C.C., 1983, COLLABORATIVE TESTS
[5]
FREE SILICA ANALYSIS OF ENVIRONMENTAL SAMPLES - CRITICAL LITERATURE REVIEW
[J].
AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL,
1975, 36 (10)
:767-778
[6]
BERKELHAMER LH, 1944, RI3763 US BUR MIN
[8]
DETERMINATION OF QUARTZ IN SMALL SAMPLES BY AN X-RAY TECHNIQUE
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS,
1967, 44 (04)
:287-&
[9]
BROXTERMAN R, 1980, ACS SYM SER, V120, P67
[10]
BULMER MG, 1965, PRINCIPLES STATISTIC, pCH12