Roots, shoots, fruits: William Blake and J M Robertson: two key influences on George Spencer-Brown's work and the latter's relationship to Niklas Luhmann's work.
Roots, shoots, fruits: William Blake and J M Robertson: two key influences on George Spencer-Brown's work and the latter's relationship to Niklas Luhmann's work.
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Roots, shoots, fruits: William Blake and J M Robertson: two key influences on George Spencer-Brown's work and the latter's relationship to Niklas Luhmann's work.
(xsd:string)