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X International Symposium on Biological Control of Weeds, Bozeman, Montana, USA, July 4-14, 1999 : proceedings of session, host-specificity testing of exotic arthropod biological control agents : the biological basis for improvement in safety - Van Driesche, Roy (USDA Forest Service, Forest Health Technology Enterprise Team, 2000)

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Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1879)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1884)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)