T. Szabo
National Korona Mushroom Union, Strain Research and Molecular Biological Laboratory, Po. Box. 1., H-3395 Demjen, Hungary
J. Szarvas
National Korona Mushroom Union, Strain Research and Molecular Biological Laboratory, Po. Box. 1., H-3395 Demjen, Hungary
Cs. Hajdu
National Korona Mushroom Union, Strain Research and Molecular Biological Laboratory, Po. Box. 1., H-3395 Demjen, Hungary & Szent lstvan University, School of Horticultural, Menesi ut 44., H-1118 Budapest, Hungary