Tomas Losak, Jaroslav Hlusek, Jiri Martinec, Jiri Jandak, Monika Szostkova, Radek Filipcik, Josef Manasek, Karel Prokes, Jiri Peterka, Ladislav Varga, Ladislav Ducsay, Ferenc Orosz and Anna Martensson
Acta Agriculture Scandinavica Section B-Soil & Plant Science 61 ( 6 ): 543 - 550 , 2011