TY - CHAP A1 - Miller, W.B. A1 - Pasta, D.J. A1 - MacMurray, J. A1 - Chiu, C. A1 - Wu, S. A1 - Comings, D.E. T1 - Genetic influences on childbearing motivation: A theoretical framework and some empirical evidence Y1 - 1999 A3 - Severy, L.J. A3 - Miller, W. T2 - Advances in population: Psychosocial perspectives CY - London PB - Jessica Kingsley ER -