@incollection{freeman_coupling_1970,
	address = {London},
	title = {Coupling {Systems} in {Industrial} {R} and {D}},
	booktitle = {Technological {Innovation} and the {Economy}},
	publisher = {Wiley-Interscience},
	author = {Freeman, C. and Goldsmith, M.},
	year = {1970},
	pages = {177--187}
}