@Article{431554,
     author = "Mikołaj Rychło",
     title = "English "herd" and Polish "trzoda" : how the two words developed from one proto-indo-european etymon",
     year =  2013,
     volume =  15,
     number =  1,
     journal =  Acta Neophilologica,
     pages =  s. 155-165,
    }