http://purl.org/dc/terms/source
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http://www.mobygames.com/company/big-blue-box-studios-ltd (accessed 2018-10-25)
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https://collection.rcgs.jp/resource/PACKAGE0006469
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https://www.giantbomb.com/big-blue-box-studios/3010-1794/ (accessed 2018-12-15)
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