Kräutler, Bernhard; Arigoni, Duilio; Golding, Bernard T (1998). 《Vitamin B12 and B12-proteins : lectures presented at the 4th European Symposium on Vitamin B12 and B12-Proteins》. Weinheim: Wiley-VCH. ISBN9783527612192. OCLC212131311.지원되지 않는 변수 무시됨: |name-list-style= (도움말)