by Saly, J, Misko, J, Jantosovic, J, Kocis, J, Kovac, J. (Vysoka Skola Veterinarska, Kosice (Czechoslovakia))
Published in Folia veterinaria (01.02.1984)

by Lazar, J, Kovacova, A, Muranska, A, Kovac, J. (Vysoka Skola Veterinarska, Kosice (Czechoslovakia))
Published in Folia Veterinaria (Czechoslovakia) (01.03.1987)

by Lazar, J, Kovacova, A, Muranska, A, Kovac, J. (Vysoka Skola Veterinarska, Kosice (Czechoslovakia). Katedra Vyzivy, Dietetiky a Krmovinarstva)
Published in Folia Veterinaria (Czechoslovakia) (1987)