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Figure 1 from Luhmann's Slip Box -- What can we Learn from the Device for Knowledge Representation in Requirements Engineering? | Semantic Scholar
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Sociologist Johannes Schmidt inspects Niklas Luhmann's slip box at the university in Bielefeld, Germany, 29 June 2011. Until recently, Luhmann's legendary slip box was off-limits for scientists and scholars. 13 years after
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250. My Zettelkasten: An Author's Digital Slip-Box Method Example (Using Plain-Text Software) - YouTube
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