共 6 条
[1]
DRINKER P, 1954, INDUSTRIAL DUST, P9
[2]
IMBUS HR, 1974, J OCCUP ENVIRON MED, V16, P547
[3]
PORTABLE INSTANTANEOUS MASS MONITOR FOR COAL MINE DUST
[J].
AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL,
1972, 33 (03)
:136-+
[4]
LYNCH JR, 1970, MAY T NAT C COTT DUS, P34
[5]
Merchant J A, 1973, J Occup Med, V15, P222
[6]
1973, SAFETY HLTH COMM DEC