Authors: Nokkala, S Nokkala, C

Citation: S. Nokkala et C. Nokkala, Chromosomes in two bug species of Hebrus (Hebridae, Heteroptera). The occurrence of neo-XY sex chromosome system in Heteroptera, CARYOLOGIA, 52(1-2), 1999, pp. 27-30

Authors: Nordell-Paavola, A Nokkala, S Koponen, S Nokkala, C

Citation: A. Nordell-paavola et al., The utilization of chorion ultrastructure and chorion polypeptide analysisin recognizing taxonomic units in north European Galerucini (col., Chrysomelidae), ADVANCES IN CHRYSOMELIDAE BIOLOGY 1, 1999, pp. 95-104

Authors: Nokkala, C Nokkala, S

Citation: C. Nokkala et S. Nokkala, Species and habitat races in the chrysomelid Galerucella nymphaeae speciescomplex in northern Europe, ENT EXP APP, 89(1), 1998, pp. 1-13