Michalski, J., and Z. Witkowski. 1959. Obserwacje nad szkodliwoscia zeru uzupelniajacego i regeneracyjnego Blastophagus piniperda L. (Coleoptera: Scolytidae) w drzewostanie sosnowym I klasy wieku [Observations on damage caused by the feeding of Blastophagus piniperda L. (Coleoptera, Scolytidae) in pine stand age-class I]. Sylwan 103(2):45-59.
Michalski & Witkowski 1959
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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