Travers, Jeffrey; Milgram, Stanley (1969). "An Experimental Study of the Small World Problem". Sociometry. 32 (4): 425–443. doi:10.2307/2786545. JSTOR 2786545.

Travers and Milgram's "An Experimental Study of the Small World Problem" is a research article that presents the findings of Milgram's small world experiment. The article provides a detailed description of the study methodology and the results, including the average number of intermediate contacts required to reach a target person. The article discusses the implications of the findings for understanding the structure and dynamics of social networks.