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1.
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London : Butterworths, 1999.
Fourth edition.
English | N 631 BAI.S (4) |
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2.
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London : Butterworths, 1997.
Third edition.
Italian | N 631 BAI.S |
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3.
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London : Longman, c1990.
First edition.
English | N 631 ROB.L |
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4.
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London : Butterworths, 2000.
Third edition.
English | N 631 LLO.I(3) |
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