共 101 条
[21]
DRINKER P, 1954, INDUSTRIAL DUST, P336
[22]
FIRST MW, 1953, AMA ARCH IND HYG OCC, V7, P1
[23]
GOETZ A, 1953, AM J PUBL HLTH, V43, P150
[24]
GREEN H, 1957, PARTICULATE CLOUDS D, P167
[25]
GREEN H, 1935, PHYSICAL METHODS EST
[26]
GREENBURG L, 1922, 2372 US BUR MIN REP
[27]
GREENBURG L, 1923, J IND HYG, V4, P163
[28]
GREENBURG L, 1925, PUB HLTH REP, V40, P1591
[29]
GREENBURG L, 1925, PUBLIC HEALTH REPT U, V40, P765
[30]
GREENBURG L, 1925, PUB HLTH REP, V40, P291