@book{verdoorn2002,
	title = {Productivity growth and economic performance : essays on Verdoorn's Law},
	address = {Palgrave Macmillan},
	annote = {XI, 281 S},
	author = {{Petrus Johannes} Verdoorn and {John S. L.} McCombie and {Maurizio} Pugno and {Bruno} Soro},
	howpublished = {Basingstoke, Hampshire [u.a.]},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+348885369&sourceid=fbw_bibsonomy},
	year = {2002},
	biburl = {http://www.bibsonomy.org/bibtex/2e3bd8ea97c4a21c17c6dbadab897c321/fbw},
	description = {imported},
	isbn = {0-333-96877-8},
	keywords = {Arbeitsproduktivität Arbeitsteilung Petrus_J. Verdoorn Wachstumstheorie Wirtschaftswissenschaften }
}

@article{Verdoorn1972b,
	title = {Measuring integration effects: A survey},
	author = {P. J. Verdoorn and C. A. Van Bochove},
	journal = {European Economic Review},
	month = {Nov},
	number = {3},
	pages = {337--349},
	url = {http://www.sciencedirect.com/science/article/B6V64-45F63GX-CC/1/e9fd0e88c1bdf9a0f50178dfb224e89c},
	volume = {3},
	year = {1972},
	biburl = {http://www.bibsonomy.org/bibtex/25770dd4f74adb6c7b38a14b6309de8f4/smicha},
	keywords = {imported }
}

@article{Verdoorn1972a,
	title = {Two alternative estimates of the effects of EEC and EFTA on the pattern of trade},
	author = {P. J. Verdoorn and A. N. R. Schwartz},
	journal = {European Economic Review},
	month = {Nov},
	number = {3},
	pages = {291--335},
	url = {http://www.sciencedirect.com/science/article/B6V64-45F63GX-CB/1/c27c4c4fd9fa6646c17fa3095f23f522},
	volume = {3},
	year = {1972},
	biburl = {http://www.bibsonomy.org/bibtex/2e7adcb88a2a02d1177cb0251669f2ae0/smicha},
	keywords = {imported }
}