(1996): Taxonomic change and toxinology: systematic revisions of the Asiatic cobras (Naja naja species complex) — Toxicon, 34: 339-406. [voor Naja atra, Naja kaouthia, Naja oxiana, Naja philippinensis, Naja sagittifera, Naja samarensis, Naja siamensis, Naja sputatrix en Naja sumatrana]
(1996): Taxonomic change and toxinology: systematic revisions of the Asiatic cobras (Naja naja species complex) — Toxicon, 34: 339-406. [for Naja atra, Naja kaouthia, Naja oxiana, Naja philippinensis, Naja sagittifera, Naja samarensis, Naja siamensis, Naja sputatrix and Naja sumatrana]EurLex-2 EurLex-2