@book{87171,
	author = {Bryman, Alan and Burgess, Robert G.},
	title = {Analyzing qualitative data},
	publisher = {Roudledge,},
	year = {1994.},
	address = {Inglaterra :},
	note = {Compra : Imp. International Thompos publishing c.c. 8601 feb.6/96 $28.083.}
}