RT Article T1 Single parents, stepparents, and the susceptibility of adolescents to antisocial peer pressure JF Child development VO 58 IS 1 SP 256 OP 269 A1 Steinberg, Laurence D. 1952- LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1639375163 K1 Gruppenzwang