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- 01/01/1950
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- Publication venue
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- 01/01/1954
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- 01/01/1954
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- 01/01/1960
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- 01/01/1949
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- 01/01/1949
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- 'Cambridge University Press (CUP)'
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- 'Cambridge University Press (CUP)'
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- Statens arbeidsmiljøinstitutt
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