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Brecht, C.
8
Wagner, H.
7
Buros, J.
4
Klatt, Heinz-Jürgen
3
Steiner, Ladislau.
3
Busch, Kurt.
2
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Friedensburg, F.
2
Grebe, W. H.
2
Haeusser, I.
2
Klatt, H. J.
2
Kühndelt, H.
2
Merten, D.
2
Teipel, Ulrich
2
Wegner, H. U.
2
Adelhardt, Werner
1
Albrecht, Wilhelm
1
Aleshin, Eugene
1
Altenpohl, Dietrich Gustav
1
Anders, Gerhard
1
Angermeier, Hans-Otto
1
Barham, B.
1
Behr, Arno
1
Bender, F.
1
Berg, G.
1
Berthold, G.
1
Berthold, Günter
1
Betz, J.
1
Bever, M. B.
1
Bleicher, Alena
1
Boberg, R.
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raw material supply
19
raw material policy
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mining
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energy planning
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energy statistics
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raw material consumption
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environmental protection
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heavy oil
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hydrocarbon
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lignite deposit
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lignite mining
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natural gas deposit
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GWA - Raw material economy, raw material policy
155
GCAC - Regional geology - noneuropean countries
9
GWBA - Raw material resources, raw material reserves
7
EXA - Energy policy
5
AZZ - Firm index - general
4
GWB - Raw materials - metals, nonmetals
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ECA - Energy resources
3
EFA - Petroleum, natural gas
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GDA - Engineering geology - general
3
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3
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CEO - Natural organic products
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EWA - Energy economy
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GBAA - Geology - textbooks
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GCAA - Regional geology - Germany
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GFA - Mineralogy - general
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