1
Published 1982
...Acid rain...
Government document
2
by Hammer UT
Published 1980
...Acid rain...
Government document
4
by Klemm RF
Published 1977?]
...Acid rain...
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AGS Publication Electronic Government document
5
by Harter P
Published 1986
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Government document Series
6
Published 1991
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Government document
8
by Millard V
Published 1991
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Government document
9
by Millard V
Published 1991
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Government document
11
by Nichols AL, Harrison D
Published 1991
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Government document
12
by MacKid JC
Published 1971
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AER Publication Reprint Electronic
13
by Weyer KU
Published 1984
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Government document
14
Published 1990
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Government document
15
by De Cotret RR
Published 1990
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Government document
16
by Sterling T
Published 1990
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Book
17
by Block W
Published 1990
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18
by Curren T
Published 1988
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Government document
19
by Legge AH, Krupa SV
Published 1990
...Acid rain...
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