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  • Presentation 13

    Presentation 13
    Sep 26 2023
    This is presentation 13 of 13 in a series that was originally delivered by Roger Weir on September 26, 2009.
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    1 Std. und 24 Min.
  • Presentation 12

    Presentation 12
    Sep 25 2023
    This is presentation 12 of 13 in a series that was originally delivered by Roger Weir on September 19, 2009.
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    1 Std. und 13 Min.
  • Presentation 11

    Presentation 11
    Sep 24 2023
    This is presentation 11 of 13 in a series that was originally delivered by Roger Weir on September 12, 2009.
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    1 Std. und 10 Min.
  • Presentation 10

    Presentation 10
    Sep 23 2023
    This is presentation 10 of 13 in a series that was originally delivered by Roger Weir on September 5, 2009.
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    1 Std. und 27 Min.
  • Presentation 9

    Presentation 9
    Sep 22 2023
    This is presentation 9 of 13 in a series that was originally delivered by Roger Weir on August 29, 2009.
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    1 Std. und 14 Min.
  • Presentation 8

    Presentation 8
    Sep 21 2023
    This is presentation 8 of 13 in a series that was originally delivered by Roger Weir on August 22, 2009.
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    1 Std. und 25 Min.
  • Presentation 7

    Presentation 7
    Sep 20 2023
    This is presentation 7 of 13 in a series that was originally delivered by Roger Weir on August 15, 2009.
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    1 Std. und 24 Min.
  • Presentation 6

    Presentation 6
    Sep 19 2023
    This is presentation 6 of 13 in a series that was originally delivered by Roger Weir on August 8, 2009.
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    1 Std. und 17 Min.