Gender, Children, and Social Contact: The Effects of Childrearing for Men and Women Allison Munch; J. Miller McPherson; Lynn Smith-Lovin American Sociological Review 1997 62(4), 509
Social Networks and Organizational Dynamics J. Miller McPherson; Pamela A. Popielarz; Sonja Drobnic American Sociological Review 1992 57(2), 153