Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Anonymous. 1978k. Le Typographe ou Grand Scolyte de l'Epicea, Ips typographus L. Centre Technique du Genie Rural des Eaux et des Forets, Division Protection B. P. 114-38402 St.-Martin-d'Heres. 4 p., 4 figs. (4-10173 Grenoble).