@book{30394,
	author = {Pressman, Roger S. and Ojeda Martín, Rafael,},
	title = {Ingenieria de software :},
	publisher = {Prentice Hall,},
	year = {1998.},
	address = {Madrid :},
	edition = {4a ed.},
	note = {Título original Software engineering : a practitioner's approach.}
}