Domenech Carbo, Mª Teresa; Domenech Carbo, Antonio; Vázquez de Agredos Pascual, María Luisa(Wiley-VCH Verlag, 2011)
The yellow hue of a series of samples from wall paintings in several Mayan archaeological sites can be attributed to the presence of indigoid compounds, including isatin and dehydroindigo, attached to palygorskite, a local ...