Raaijmakers, H, Teixeira S, Dias JM, Almendra MJ, Brondino CD, Moura I, Moura JJG, Romao MJ.  2001.  Tungsten-containing formats dehydrogenase from Desulfovibrio gigas: metal identification and preliminary structural data by multi-wavelength crystallography. Journal of Biological Inorganic Chemistry. 6:398-404., Number 4