It is with great sadness I'd like to announce Dr. Hanneman passed away on December 12, 2020. His legacy will live on forever!
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 Post subject: Gem-A Live Fluorescence
PostPosted: Mon May 04, 2020 12:55 pm 
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 Post subject: Re: Gem-A Live Fluorescence
PostPosted: Tue May 05, 2020 9:31 am 
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Thanks for sharing , Barbra !

The english subtitles are very useful for my level of english !
Last week I subscribed to Gem-A on youtube .
Have a nice Day

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danielle

"I always believed in being myself"- Thelonious Monk


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