However, Fischer noted that the study was exploratory and the range of selected tree species and works of art is small and selective, therefore it’s not possible to draw strong conclusions. The ...

and 20th-century abstract art. They found that the values of α in these artworks range from 1.5 to 2.8, similar to the range of this value in natural trees. “We find α in the range 1.5 to 2.8 ...