@booklet {32405,
	title = {International R\&amp;D Spillovers},
	journal = {European Economic Review},
	volume = {39},
	year = {1995},
	pages = {859-887},
	url = {http://scholar.harvard.edu/files/helpman/files/eer_95_dataset.zip},
	author = {D Cole and E. Helpman}
}
