ISBN : ISBN Group Identifiers. - International ISBN Agency, 2009
978-3 - German language 00 - 02 030 - 033 04 - 19 200 - 699 0340 - 0369 03700 - 03999 7000 - 8499 85000 - 89999 900000 - 949999 9500000 - 9539999 95400 - 96999 9700000 - 9899999 99000 - 99499 99500 - 99999
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