共 31 条
[21]
POSTHUMUS AC, 1982, BIOL INDICATORS AIR
[22]
SANDALLS FJ, 1984, AERE R11382 REP
[24]
SCHJOLDAGER J, 1984, NILU E7946 NORW I AI
[25]
SCHJOLDAGER J, 1981, NILU1981 NORW I AIR
[27]
TINGEY DT, 1984, P INT WORKSHOP EVALU, P60
[29]
10-YEAR OZONE TRENDS IN CALIFORNIA AND TEXAS
[J].
JOURNAL OF THE AIR POLLUTION CONTROL ASSOCIATION,
1985, 35 (09)
:903-912
[30]
WESTON KJ, 1988, UNPUB EXTENT PHOTOCH