Sentence:  It was for this reason , and no other that I can see , that in September 1912 , Braque took the radical and revolutionary step of pasting actual pieces of imitation woodgrain wallpaper to a drawing on <WSD>paper</WSD> , instead of trying to simulate its texture in paint . 
Meaning of the word marked with <WSD> tags:  a material made of cellulose pulp derived mainly from wood or rags or certain grasses