Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Bejer-Petersen, B. 1963. Skadedyrbekaempelse i Skovbruget. Forudsaetninger, metoder og deres begraensninger [A survey of control of animal pests in forestry]. Dansk Skovforeingens Tidsskrift 48: 425-453.