scholarly journals Special issue : Measurement result in acid rain network by grass-roots activity, etc..Through experience in acid rain study grass-roots activity.

1993 ◽  
Vol 22 (12) ◽  
pp. 714-720
Author(s):  
Hiroaki ISE
1988 ◽  
Vol 66 (20) ◽  
pp. 19
Author(s):  
LOIS R. EMBER
Keyword(s):  

Science ◽  
1986 ◽  
Vol 232 (4750) ◽  
pp. 563-563
Author(s):  
S. F. SINGER
Keyword(s):  

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