TY - JOUR A1 - David, P.A. A1 - Mroz, T.A. T1 - Evidence of fertility regulation among rural french villagers, 1749–1789. A sequential econometric model of birth-spacing behavior (part 1) Y1 - 1989a DO - 10.1007/bf01796786 JF - European Journal of Population VL - 5 IS - 1 SP - 1 EP - -26 ER -