Authors
Elżbieta Chomicz-Zegar
Molecular Biology Laboratory, Forest Research Institute,, Sȩkocin Stary, Poland
J. A. Nowakowska
Molecular Biology Laboratory, Forest Research Institute,, Sȩkocin Stary, Poland
A. Tereba
Molecular Biology Laboratory, Forest Research Institute,, Sȩkocin Stary, Poland