Hughes, Joseph; Vogler, Alfried P. (2004-08-01). "The phylogeny of acorn weevils (genus Curculio) from mitochondrial and nuclear DNA sequences: the problem of incomplete data". Molecular Phylogenetics and Evolution. 32 (2): 601–615. doi:10.1016/j.ympev.2004.02.007. ISSN1055-7903. PMID15223041.
Hughes, Joseph; Vogler, Alfried P. (2004-08-01). "The phylogeny of acorn weevils (genus Curculio) from mitochondrial and nuclear DNA sequences: the problem of incomplete data". Molecular Phylogenetics and Evolution. 32 (2): 601–615. doi:10.1016/j.ympev.2004.02.007. ISSN1055-7903. PMID15223041.
Hughes, Joseph; Vogler, Alfried P. (2004-08-01). "The phylogeny of acorn weevils (genus Curculio) from mitochondrial and nuclear DNA sequences: the problem of incomplete data". Molecular Phylogenetics and Evolution. 32 (2): 601–615. doi:10.1016/j.ympev.2004.02.007. ISSN1055-7903. PMID15223041.