1.
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[Place of publication not identified] : [Intellectual Property Institute], 2010.
English | GB 109 2010 No 1 |
|
2.
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[Heidelberg, Germany] : [Springer], 2010.
English | DE 34 |
|
3.
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[Place of publication not identified] : [Intellectual Property Institute], 2010.
English | GB 109 |
|
4.
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[Place of publication not identified] : [publisher not identified], 2009.
English | CH 59 |
|