Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Kalandra, A. 1960. Prispevek ke gradologii kurovce smrkoveho Ips typographus L. [Population dynamics of I. typographus ]. Sbornik Ceskoslovenske Akademie Zemedelskych Ved. Sbornik Rada Lesnictvi 33(5):345-364.