Reference

Search for REF=[4223].
4223
Hippe, H., Caspari, D., Fiebig, K. and Gottschalk, G.
Utilization of trimethylamine and other N-methyl compounds for growth and methane formation by Methanosarcina barkeri.
Proc. Natl. Acad. Sci. USA 76: 494-498, 1979.
PMID: 284366.