@article {Mergos-Karagiannis-1997,
	title = {Sources of productivity change under temporary equilibrium and application to Greek agriculture},
	journal = {Journal of Agricultural Economics},
	volume = {48},
	number = {3},
	year = {1997},
	pages = {313-329},
	author = {Mergos, G and Karagiannis, Giannis}
}
