Birgit Penzenstadler (@twinkleflip) 's Twitter Profile
Birgit Penzenstadler

@twinkleflip

Researching sustainability, mindfulness & resilience.
ORCID 0000-0002-5771-0455

ID: 213663083

linkhttp://twinkleflip.com calendar_today09-11-2010 13:47:44

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