Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Roth-Holzapfel, M., and W. Funke. 1990. Element content of bark-beetles (Ips typographus Linne, Trypodendron lineatum Olivier, Scolytidae): a contribution to biological monitoring . Biology and Fertility of Soils 9:192-198.
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