@TechReport{economics.dp.2009-30,
 author = {Cassiman, Bruno, Veugelers, Reinhilde, and Zuniga, Pluvia },
 title = {Diversity of Science Linkages and Innovation Performance: Some Empirical Evidence from Flemish Firms},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2009},
 number = {2009-30},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2009-30}
}