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Informa UK Limited, 1981
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Informa UK Limited, 1977
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Informa UK Limited, 1977
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Informa UK Limited, 1975
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Informa UK Limited, 1975
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Informa UK Limited, 1975
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Informa UK Limited, 1975
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Informa UK Limited, 1975
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Informa UK Limited, 1974
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Informa UK Limited, 1972
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Informa UK Limited, 1973
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Informa UK Limited, 1972
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Informa UK Limited, 1971
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Informa UK Limited, 1971
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Oxford University Press (OUP), 1970
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Oxford University Press (OUP), 1970
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Informa UK Limited, 1970
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American Institute of Biological Sciences, 1970
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American Institute of Biological Sciences, 1970
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Informa UK Limited, 1968