by Frycek, A, Kralovec, J
Published in XIII International Grassland Congress : Leipzig, German Democratic Republic, 18-27 May, 1977, editors of congress proceedings, E. Wojahn and H. Thons (1980)

by Kralovec, J, Frycek, A
Published in XIII International Grassland Congress : Leipzig, German Democratic Republic, 18-27 May, 1977, editors of congress proceedings, E. Wojahn and H. Thons (1980)

by Kralovec, J, Frycek, A
Published in Sectional Papers International Grassland Congress (1974)

by Kralovec, J, Frycek, A
Published in Vaxtodling (1974)

by Frycek, A, Kralovec, J
Published in Sectional Papers International Grassland Congress (1974)

by Kralovec, J, Frycek, A
Published in Sectional Papers International Grassland Congress (1974)

by Frycek, A
Published in Věstník Československé akademie zemědělské (1976)

by Frycek, A
Published in Věstník Československé akademie zemědělské (1976)

by Frycek, A
Published in Uroda (1975)

by Frycek, A
Published in Uroda (1974)

by Frycek, A
Published in Zesz Probl Postepow Nauk Roln (1973)

by Frycek, A
Published in Vysk Ustav Rast Vyroby Ved Pr (1972)

by Frycek, A
Published in Agrochemia Bratislava (1971)

by Frycek, A
Published in Agrochemia Bratislava (1970)

by Frycek, A
Published in Rostlinna Vyroba (1968)

by Frycek A, Rais I, Kralovec J
Published in Rostlinna Vyroba UVTIZ (1980)

by Frycek, A. (Akademie Zemedelskych Ved, Prague (CSFR)), Kralovec, J, Prach, K
Published in Scientia Agriculturae Bohemoslovaca - UVTIZ (CSFR) (01.07.1992)

by Frycek, A, Kralovec, J
Published in Rostlinna vyroba (1979)

by Frycek A, Baier J
Published in Agrochemia (1978)

by Frycek A, Kralovec J
Published in Rostlinna Vyroba UVTIZ (1978)