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Meller, Eberhard
10
Keller, M.
6
Altner, Günter
5
Diamond, David J.
5
Fischer, Wolfgang
5
Apikyan, Samuel
4
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Barceló, Damià .
4
Brecht, C.
4
Klatt, Heinz-Jürgen
4
Mallach, N.
4
Stern, Paul C.
4
Botkin, Daniel B.
3
Hille, R.
3
Karger, Cornelia R.
3
Thome-Kozmiensky, Karl J.
3
Vogt, Kurt Jürgen
3
Yang, Dongping.
3
Agnihotri, Arvind Kumar
2
Aly, Hisham F.
2
Angerer, Gerhard
2
Angerhöfer, Daniela
2
Armstrong, Adrian C.
2
Ausubel, Jesse H.
2
Baccini, Peter
2
Bahadir, Müfit
2
Balakrishnan, A. R.
2
Ballensiefen, Günter
2
Borrego, Carlos.
2
Borsch, Peter
2
Brosthaus, Josef
2
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environmental protection
673
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221
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203
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201
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111
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105
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101
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101
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99
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90
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90
environmental monitoring
89
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85
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84
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83
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67
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65
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61
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60
national income accounting
60
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55
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45
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43
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42
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41
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37
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UED - Environmental policy
74
UCA - Environmental problems, man and environment - general aspects
72
UCJ - Environmental protection - general aspects
49
YUD - Comprehensive statistical data - Germany
48
UHP - Protection of nature and landscape
42
UEA - Environmental policy and economy - general aspects
34
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YZA - Politics, political science
29
YPB - Economy - general aspects
27
UMV - Climatic change
26
UEN - Environmental economy
22
UEG - Environmental programs and expertises
20
UCN - Environmental education
19
UCQ - Environmental technology
19
UAA - Environment - reference books
18
AZZ - Firm index - general
17
UAD - Environment - comprehensive works
17
YUC - Comprehensive statistical data
17
LCK - Ecology - general aspects
15
UCE - Environmental impact, environmental pollution
15
UCL - Environmental research
14
UHN - Landscape ecology
14
URA - Soil chemistry
14
UVC - Environmental chemicals, hazardous materials - general aspects
14
EVA - Energy demand, energy supply - comprehensive works
12
YRC - Technology and society
11
GWA - Raw material economy, raw material policy
10
UCG - Control of environmental pollution
9
UCS - Environmental chemistry
9
UHC - Area planning and environment
9
UKA - Environmental damage and energy production
9
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