Authors
Miłosz Tkaczyk
Forest Research Institute, Department of Forest Protection, Sękocin Stary, Raszyn, Poland
Katarzyna Sikora
Forest Research Institute, Department of Forest Protection, Sękocin Stary, Raszyn, Poland
Hanna Szmidla
Forest Research Institute, Department of Forest Protection, Sękocin Stary, Raszyn, Poland
Tomasz Jabłoński
Forest Research Institute, Department of Forest Protection, Sękocin Stary, Raszyn, Poland