Poulton, E. C., & Mousty, P. (1991). The legibility of print: A review. Journal of Experimental Psychology: Human Perception and Performance, 17(3), 549-565.
The Kannada font "Kama Kathegalu" was designed with the objective of creating a font that embodies the characteristics of beautiful stories. The font design process involved a thorough analysis of traditional Kannada typography, as well as an understanding of modern typographic principles. The font features elegant and cursive strokes, with a moderate level of contrast between thick and thin strokes. Kannada Font Kama Kathegalu
Here's a draft paper: