@book{48280,
	author = {Gilbert, G. Nigel },
	title = {Researching social life /},
	publisher = {Sage Publications,},
	year = {2001.},
	address = {London ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0657/2001131807-d.html}
}