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1LlyfrCyhoeddwyd 1983“...International Institute for Applied Systems Analysis...”
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2LlyfrCyhoeddwyd 1978“...International Institute for Applied Systems Analysis...”
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3LlyfrCyhoeddwyd 1980“...International Institute for Applied Systems Analysis...”
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4LlyfrCyhoeddwyd 1975“...International Institute for Applied Systems Analysis...”
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5LlyfrCyhoeddwyd 1982“...International Institute for Applied Systems Analysis...”
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6LlyfrCyhoeddwyd 1979“...International Institute for Applied Systems Analysis...”
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7LlyfrCyhoeddwyd 1991“...International Institute for Applied Systems Analysis...”
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8LlyfrCyhoeddwyd 1983“...International Institute for Applied Systems Analysis...”
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9Trafodyn Cynhadledd LlyfrCyhoeddwyd 1985“...Workshop on the Dynamics of Macrosystems International Institute for Applied Systems Analysis...”
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10LlyfrCyhoeddwyd 1991“...International Institute for Applied Systems Analysis...”
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11LlyfrCyhoeddwyd 1981“...International Institute for Applied Systems Analysis. Energy Systems Program Group...”
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12Trafodyn Cynhadledd LlyfrCyhoeddwyd 1977“...International Institute for Applied Systems Analysis...”
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13Trafodyn Cynhadledd LlyfrCyhoeddwyd 1988“...International Institute for Applied Systems Analysis...”
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14Trafodyn Cynhadledd LlyfrCyhoeddwyd 1978“...International Institute for Applied Systems Analysis...”
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15Trafodyn Cynhadledd LlyfrCyhoeddwyd 1980“...International Institute for Applied Systems Analysis...”
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16Trafodyn Cynhadledd LlyfrCyhoeddwyd 1987“...IIASA (International Institute for Applied Systems Analysis) Task Force Meeting on Input-Output...”
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17Trafodyn Cynhadledd LlyfrCyhoeddwyd 1985“...IIASA (International Institute for Applied Systems Analysis) Summer Study on Plural Rationality...”
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18Trafodyn Cynhadledd LlyfrCyhoeddwyd 1981“...International Institute for Applied Systems Analysis...”
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19LlyfrCyhoeddwyd 1982“...International Institute for Applied Systems Analysis. Resources and Environment Area...”
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20Trafodyn Cynhadledd LlyfrCyhoeddwyd 1984“...International Institute for Applied Systems Analysis...”