Bahr A, Hankeln T, Fiedler T, Hegemann J, Schmidt ER (Aug 1999). "Molecular analysis of METTL1, a novel human methyltransferase-like gene with a high degree of phylogenetic conservation". Genomics. 57 (3): 424–8. doi:10.1006/geno.1999.5780. PMID10329009.
Bahr A, Hankeln T, Fiedler T, Hegemann J, Schmidt ER (Aug 1999). "Molecular analysis of METTL1, a novel human methyltransferase-like gene with a high degree of phylogenetic conservation". Genomics. 57 (3): 424–8. doi:10.1006/geno.1999.5780. PMID10329009.