ZB 591 IEK-STE 13 INM-8 11 IBG-1 7 PTJ 7 IBG-3 4 more ... IEK-7 4 IBG-2 3 IEK-6 2 IEK-8 2 P-Z 2 BR 1 IEK-4 1 IEK-5 1 INM-5 1 JSC 1 S 1 UK 1 see all ... less ...

Meller, Eberhard 9 Altner, Günter 5 Keller, M. 5 Brecht, C. 4 Klatt, Heinz-Jürgen 4 Mallach, N. 4 more ... Hille, R. 3 Thome-Kozmiensky, Karl J. 3 Angerer, Gerhard 2 Angerhöfer, Daniela 2 Bahadir, Müfit 2 Borsch, Peter 2 Brune, D. 2 Cheremisinoff, Paul N. 2 Erdmann, Karl-Heinz. 2 Frenkler, K. L. 2 Haber, W. 2 Hacker, J. 2 Heringer, Josef. 2 Huebler, K. H. 2 Karger, Cornelia R. 2 Klatt, H. J. 2 Parlar, Harun 2 Pfafflin, J. R. 2 Pfafflin, James R. 2 Porteous, Andrew. 2 Spiteller, Michael 2 Vogt, Kurt Jürgen 2 Weizsäcker, Ernst Ulrich von 2 Ackermann, G. 1 see all ... less ...

environmental protection 642 environmental pollution 196 environmental policy 191 environmental quality 105 environmental engineering 98 environmental impact assessment 98 more ... environmental education 97 environmental impact 94 environmental research 93 environmental law 84 environmental monitoring 83 environmental balance 80 environmental chemistry 80 environmental impact statement 79 traffic 73 environmental program 68 population 66 building 64 environmental health 60 labour market 59 national income accounting 59 agriculture 54 health 44 foreign trade 42 training, education 41 ecology 36 environmental effect 36 environmental compatibility 31 sustainable development 31 environmental biology 26 see all ... less ...

UED - Environmental policy 72 UCA - Environmental problems, man and environment - general aspects 70 UCJ - Environmental protection - general aspects 47 YUD - Comprehensive statistical data - Germany 47 UHP - Protection of nature and landscape 40 UEA - Environmental policy and economy - general aspects 33 more ... YZA - Politics, political science 29 YPB - Economy - general aspects 27 UMV - Climatic change 24 UEN - Environmental economy 22 UCN - Environmental education 19 UEG - Environmental programs and expertises 19 UAA - Environment - reference books 18 UAD - Environment - comprehensive works 17 UCQ - Environmental technology 17 AZZ - Firm index - general 16 YUC - Comprehensive statistical data 16 UCE - Environmental impact, environmental pollution 15 UHN - Landscape ecology 14 LCK - Ecology - general aspects 13 URA - Soil chemistry 13 UVC - Environmental chemicals, hazardous materials - general aspects 13 UCL - Environmental research 12 EVA - Energy demand, energy supply - comprehensive works 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 YRC - Technology and society 9 UHK - Traffic and environment - incl. automobile exhaust gas 8 see all ... less ...

German 87 English 42