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Old 05-24-2016, 10:11 PM   #5
Finn's Avatar
Join Date: Oct 2000
Location: Finland
Posts: 8,962
Originally Posted by Moedred
Paper density?
As a professionally educated librarian, I'd say most likely this. We occasionally run into the same curiosity while ordering additional copies. If they are from different print batch, the culprit is almost exclusively different kind of paper.
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