@book{205775,
	author = {Nijkamp P. and Vollering A.},
	title = {Services for the Elderly, Theoretical and Empirical Developments},
	publisher = {Vrije Universiteit},
	year = {1989},
	address = { Amsterdam},
	edition = {1a ed.},
	note = { / anziani, servizi-anziani, politiche-sociali, comparazione / }
}