Shiba T, Mizote H, Kaneko T, Nakajima T, Kakimoto Y, Isamu S (1971). "Hypusine, a new amino acid occurring in bovine brain. Isolation and structural determination". Biochimica et Biophysica Acta244 (3): 523–531. PMID4334286. doi:10.1016/0304-4165(71)90069-9.
Shiba T, Mizote H, Kaneko T, Nakajima T, Kakimoto Y, Isamu S (1971). "Hypusine, a new amino acid occurring in bovine brain. Isolation and structural determination". Biochimica et Biophysica Acta244 (3): 523–531. PMID4334286. doi:10.1016/0304-4165(71)90069-9.