npub15swlxudlhx4ttcgsd4556zuqrl57qndxmt4n3dnzrkqn89nxv6lsjzx855 (npub15sw…x855)
One of many possible starting points, if you don't mind going back to infancy. And one of my favs...
Flom, R. & Pick, A. D. (2007). Increasing specificity and the development of joint visual attention. In R. Flom, K. Lee, & D. Muir (Eds.), Gaze following: Its development and significance (pp. 95-113). Lawrence Erlbaum Associates.