TY - JOUR A1 - Paget, W.J. A1 - Timaeus, I.M. T1 - A Relational Gompertz Model of Male Fertility: Development and Assessment Y1 - 1994 DO - 10.1080/0032472031000147826 JF - Population Studies VL - 48 IS - 2 SP - 333 EP - -340 ER -