← Search Research Policy 2004 Knowledge flows through informal contacts in industrial clusters: myth or reality? Michael S. Dahl; Christian Ø. R. Pedersen Aalborg University open access DOI10.1016/j.respol.2004.10.004 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓