LITTLE, Roderick J.A. World Fertility Survey. Generalize linear models for cross-classified data from the WFS - London; Voorburg International Statistical Institute 1978 - 66 - (WFS Technical Bulletins; 5. Tech. 834) . Index Terms--Genre/Form: ESTADÍSTICAENCUESTA MUNDIAL DE FECUNDIDADMODELOS Universal Decimal Class. No.: 312.1(079.5)