BibTex format
@article{Hardeman:2015:scipol/scu070,
author = {Hardeman, S and Frenken, K and Nomaler, O and Ter, Wal ALJ},
doi = {scipol/scu070},
journal = {Science and Public Policy},
pages = {530--548},
title = {Characterizing and comparing innovation systems by different 'modes' of knowledge production: A proximity approach},
url = {http://dx.doi.org/10.1093/scipol/scu070},
volume = {42},
year = {2015}
}