Vanderhaeghen P, Schurmans S, Vassart G, Parmentier M (1997). „Specific repertoire of olfactory receptor genes in the male germ cells of several mammalian species.”. Genomics. 39 (3): 239—46. PMID9119360. doi:10.1006/geno.1996.4490.
Fuchs T; Malecova B; Linhart C; et al. (2003). „DEFOG: a practical scheme for deciphering families of genes.”. Genomics. 80 (3): 295—302. PMID12213199. doi:10.1006/geno.2002.6830.CS1 одржавање: Експлицитна употреба et al. (веза)