Salgado P., Lubbers M., Schipper R.A., Van Keulen H., Alary V., Lecomte P.. 2008. In : Environmental, health and socio-economic : Risks associated with livestock intensification : Proceedings of the PRISE Scientific Committee, Hanoi, Vietnam, 4th December 2008. s.l. : s.n., p. 87-89. Proceedings of the PRISE Scientific Committee, 2008-12-04, Hanoi (Viet Nam).