共 5 条
[1]
Measurement of the optical densities of smoke stains on filter papers.
[J].
TRANSACTIONS OF THE FARADAY SOCIETY,
1936, 32 (02)
:1125-1130
[2]
INGRAM WT, 1971, ISA T, V10, P1
[3]
WALLER R E, 1964, J Air Pollut Control Assoc, V14, P323
[4]
1965, RRAP84 WARR SPRING L
[5]
1964, 17913 ORG EC COOP DE