9Deininger A,,Tamm M,Krause R,Sonnenberg H.Penetrationresistance and water-holding capacity of differently conditioned strawfor deep litter housing systems. Journal of Agricultural EngineeringResearch . 2000
10Bejelloun T Z,Sanainettip P J,Parsot C.SepA,the major extracellularprotein of Shigella flexneri:autonomous secretion and involvement intissue invasion. Molecular Microbiology . 1995