TY - CHAP A1 - Federkeil, G. T1 - The Federal Republic of Germany: Polarization of family structure Y1 - 1997 A3 - Kaufmann, F.-X. A3 - Kuijsten, A. A3 - Schulze, H.-J. A3 - Strohmeier, K.-P. T2 - Family life and family policies in Europe, Volume I: Structure and trends in the 1980s CY - Oxford PB - Clarendon SP - 77 EP - -113 ER -