RT Book T1 Adolescent sexual behavior and early childbearing: empirical tests of social control and strain theories A1 Lauritsen, Janet Lynn LA Undetermined PP Ann Arbor, Mich. PB Univ. Microfilms Internat. YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1090281943 K1 Hochschulschrift