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1LlyfrCyhoeddwyd 1970“...National Academy of Engineering...”
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2LlyfrCyhoeddwyd 1969“...National Academy of Engineering (U.S.)...”
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3
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4LlyfrCyhoeddwyd 1972“...National Academy of Engineering (U.S.)...”
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5LlyfrCyhoeddwyd 1971“...National Academy of Engineering. Task Group on Industrial Activity...”
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6Llyfrgan Rutstein, David D.“...National Academy of Engineering. Committee on the Interplay of Engineering with Biology...”
Cyhoeddwyd 1970
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7LlyfrCyhoeddwyd 1967“...National Academy of Engineering...”
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8LlyfrCyhoeddwyd 1974“...National Academy of Engineering. Advisory Committee on Issues in Educational Technology...”
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9Trafodyn Cynhadledd LlyfrCyhoeddwyd 1986“...National Academy of Engineering (U.S.)...”
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10LlyfrCyhoeddwyd 1975“...National Academy of Engineering. Committee on Technology Transfer and Utilization...”
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11
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12Trafodyn Cynhadledd LlyfrCyhoeddwyd 1968“...National Academy of Engineering (U.S.)...”
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13LlyfrCyhoeddwyd 1974“...National Academy of Engineering. Committee on the Interplay of Engineering with Biology...”
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14
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15LlyfrCyhoeddwyd 1969“...National Academy of Engineering. Committee on Public Engineering Policy...”
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16LlyfrCyhoeddwyd 1978“...National Academy of Engineering (U.S.)...”
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17LlyfrCyhoeddwyd 1974“...National Academy of Engineering. Coordinating Committee on Air Quality Studies...”
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18
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19Trafodyn Cynhadledd LlyfrCyhoeddwyd 1971“...National Academy of Engineering. Subcommittee on Sensory Aids...”
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20Cyfresol