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The application of chemical engineering to the treatment of sewage and industrial liquid effluents : A symp : York, 16.04.1975-17.04.1975.
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122
Stickstoffoxide : Ein Umweltrisiko. Kolloquium, Düsseldorf, 1974 : Düsseldorf, 1974-1974
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123
The ecology of resource degradation and renewal : Symposium of the British Ecological Society. 0015 : Leeds, 10.07.1973-12.07.1973.
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124
World Petroleum Congress. 0009, volume 06 : Tokyo, 11.-15.5.1975. Proceedings. Vol. 6. Conservation and safety : Tokyo, 11.05.1975-15.05.1975.
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125
Technische Sorptionsverfahren zur Reinhaltung der Luft : Tagung : Nürnberg, 27.11.75-28.11.75
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126
Der nukleare Brennstoffkreislauf : Tagung : Essen, 26.03.69.
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127
High level radioactive waste management : American Chemical Society meeting. 0167 : Los-Angeles, CA, 01.04.74-02.04.74 /
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128
Management of radioactive wastes from the nuclear fuel cycle. 1 : proceedings of a symposium : Wien, 22.03.1976-26.03.1976
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129
Environmental biogeochemistry : vol 0002: metals transfer and ecological mass balances : International Symposium on Environmental Biogeochemistry : 0002: proceedings : Hamilton, 08.04.75-12.04.75.
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Environmental biogeochemistry : vol 0001: carbon, nitrogen, phosphorus, sulfur and selenium cycles : International Symposium on Environmental Biogeochemistry : 0002: proceedings : Hamilton, 08.04.75-12.04.75.
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131
Karlsruhe Nuclear Research Center : investigation of the tritium level in the environment of the Karlsruhe Nuclear Research Center : Research Coordination Meeting: 0003 : Finland : 13.06.76-18.06.76.
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132
Annual meeting of the Air Pollution Control Association 69. 3 : Portland, OR, 27.06.1976-01.07.1976
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Annual meeting of the Air Pollution Control Association 69 . 4 : Portland, OR, 27.06.1976-01.07.1976
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Annual meeting of the Air Pollution Control Association. 69 . 2 : Portland, OR, 27.06.1976-01.07.1976
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Annual meeting of the Air Pollution Control Association. 0069 . 1 : Portland, OR, 27.06.1976-01.07.1976
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Air vol 0002: control of NOX and SOX emissions : AICHE meetings 1973 : Joint meeting of the American Institute of Chemical Engineers and the Canadian Society of Chemical Engineers 1973 : New-Orleans, LA, Detroit, MI, Philadelphia, PA, Vancouver, 1973.
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137
Trace contaminants in the environment : Symposium trace contaminations in the environment : AICHE annual meeting 0065 : New-York, NY, 30.11.72.
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138
Abgas, Abwasser, Abfall und Recycling und aktuelle Probleme der Luftreinhaltung und ihre Lösungswege Vol 0002 : Achema : 1976: Vorträge : Ausstellungstagung für chemisches Apparatewessen. 0018. 0 : Frankfurt, 20.06.76-26.06.76 /
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Transport packaging for radioactive materials : proceedings of a seminar : Wien, 23.08.1976-27.08.1976
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Atmospheric pollution : Atmospheric Pollution International Colloquium : 0012: proceedings : Paris, 05.05.75-07.05.75.
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