RT Article T1 Becoming a gendered body: practices of preschools JF American sociological review VO 63 IS 4 SP 494 OP 511 A1 Martin, Karin A. LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639764046 K1 Geschlechtsidentität K1 Geschlechtersozialisation