The Knowledge Spiral as described in "The Knowledge-Creating Company - How Japanese Companies Create the Dynamics of Innovation" (Nonaka, Takeuchi, New York Oxford 1995)
<a href="//commons.wikimedia.org/w/index.php?title=User:JohannesKnopp&amp;action=edit&amp;redlink=1" class="new" title="User:JohannesKnopp (page does not exist)">JohannesKnopp</a>
2011-02-04
<span class="int-own-work" lang="en">Own work</span>