Mammoths & Microbes :
MacPhee, Ross D.E..
Mammoths & Microbes : Hyperdisease Attacked the New World. - Oregon-XXU : The Leach Publishing Group, 1999. - p. 54-59 : il. - Bimestral - Vol. I, no. 5, (Sep./Oct. 1999) - Discovering Archaeology ; no. 5 . - Estados Unidos. The Leach Publishing Group. .
Art¡culo en inglés.
Mammoths & Microbes : Hyperdisease Attacked the New World. - Oregon-XXU : The Leach Publishing Group, 1999. - p. 54-59 : il. - Bimestral - Vol. I, no. 5, (Sep./Oct. 1999) - Discovering Archaeology ; no. 5 . - Estados Unidos. The Leach Publishing Group. .
Art¡culo en inglés.