IUCN publication of the pig, pecari and hippo specialist group, latest issue ( Aug. 2014 ) :
https://www.dropbox.com/s/fogrbjjjs13f9a6/Suiform Soundings 13(1).pdf?dl=0
https://www.dropbox.com/s/fogrbjjjs13f9a6/Suiform Soundings 13(1).pdf?dl=0