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Num Mark Subjects (1-2 of 2) Year Entries
2 Found
1 Traffic monitoring -- Great Britain. / https://id.loc.gov/authorities/subjects/sh2006004624 https://id.loc.gov/authorities/names/n79023147-781 : Wells, Helen,  2012 1
2 Traffic monitoring -- Technological innovations. / https://id.loc.gov/authorities/subjects/sh2006004624 https://id.loc.gov/authorities/subjects/sh2001009095  2020 1
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