by Knizetova, H, Jakubec, V, Goll, I, Krizek, J. (Ceskoslovenska Akademie Zemedelska, Prague (CSFR))
Published in Sbornik CSAZ (CSFR) (1990)

by Slavik, L
Published in Sbornik CSAZ (CSFR) (1990)

by Kudrna, K
Published in Sbornik CSAZ (CSFR) (1990)

by Prugar, J. (Ceskoslovenska Akademie Zemedelska, Prague(CSFR))
Published in Sbornik CSAZ (CSFR) (1990)

by Svihla, V
Published in Sbornik CSAZ (CSFR) (1990)

by Slavik L
Published in Sbornik CSAZ (CSFR). no. 136 (1990)

by Svihla V
Published in Sbornik CSAZ (CSFR). no. 136 (1990)

by Kudrna K
Published in Sbornik CSAZ (CSFR). no. 136 (1990)