Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Michalski, J. 1966. Vplyv zeru lykokaza Blastophagus piniperda L. na hmotovy prirastok borovicoveho porastu. II, vekovej triedy. Sbornik Vedeckych Prac 8(2):7-15.