Opus tectorium 0000.0011

 

        Literatuur

- D + Arte. Dizionario dei termini e cronologia dell' arte universale. Milano (Vallardi), 1999_cop. [622 blz. ISBN 88.8211.366.3]. Hierin "Opus tectorium o arenatum": blz. 52 ("Plaster composed of sand and lime to protect the walls in variable proportions depending on the number of layers and of the eventual decoration" - dit is de relevante engelse tekst volledig)