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| Yesterday and Today 1981 - 1997 - some personal reflections. | 77 |
| November 2012 | December 2012 | January 2013 | March 2013 | April 2013 | May 2013 | |
| Yesterday and Today 1981 - 1997 - some personal reflections. | 13 | 10 | 17 | 2 | 13 | 6 |
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| Y&T_2006(SE)_Trümpelmann.pdf | 50 |
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