References using this journal
Kutter, H. 1977c. Hymenoptera, Formicidae. Insecta Helvetica. Fauna 6:1-298.
Kutter, H. 1978. Hymenoptera: Formicidae. Insecta Helvetica. Fauna 6a:404 ills.

Notes: 6 a, supplementary volume: 404 ills.