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https://strengejacke.files.wordpress.com/2015/10/introduction-into-luhmanns-zettelkasten-thinking.pdf https://strengejacke.files.wordpress.com/2015/10/introduct

by bloodm 7y ago

https://strengejacke.files.wordpress.com/2015/10/introduction-into-luhmanns-zettelkasten-thinking.pdf https://strengejacke.files.wordpress.com/2015/10/introductio...