@inbook{Schneider+1987+93+110,
url = {https://doi.org/10.1515/9783110844795.93},
title = {4 Biosynthesis of Vitamin B12},
booktitle = {Comprehensive B12},
booktitle = {Chemistry, Biochemistry, Nutrition, Ecology, Medicine},
author = {Z. Schneider},
publisher = {De Gruyter},
address = {Berlin, Boston},
pages = {93--110},
doi = {doi:10.1515/9783110844795.93},
isbn = {9783110844795},
year = {1987},
lastchecked = {2026-05-05}
}