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1.
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Oxford : Clarendon Press, 1999.
English | G 24 GRU.PAT |
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2.
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Ottawa : Groupe Communication Canada, 1993.
French | A 41(111:113) RIC.C |
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3.
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Widnau, Suisse : Schnellmann Verlag, [1990]
English | A 41(111:113) DICT |
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4.
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Oxford [Oxfordshire] : Clarendon Press, 1986.
English | G 24 GRU.PA |
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5.
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Oxford : Clarendon Press, c1982.
Danish | G 24 GRU.P |
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6.
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Washington, DC : American Chemical Society, 1991.
Second edition.
English | G 24 MAY.U |
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