@book{103091,
	author = {Programa Mundial de Alimentos (PMA)},
	title = {31<U+00BA> Período de sesiones, CPA - Roma, 20 - 27 de mayo de 1991 :},
	publisher = {PMA,},
	year = {1991},
	address = {Roma :},
	note = {CFA: 31/PV/10 Provisional 28 May 1991.}
}