共 4 条
[2]
THE CASCADE IMPACTOR - AN INSTRUMENT FOR SAMPLING COARSE AEROSOLS
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS,
1945, 22 (10)
:187-195
[3]
MORGAN WD, 1947, LEICA MANUAL, P393
[4]
TENHOUTEN JG, 1949, ANN APPL BIOL, V36, P394, DOI 10.1111/j.1744-7348.1949.tb06935.x