Holzer, Jerzy Z. Fertility and family surveys in countries of the ECE region : standard country report : Poland / by Jerzy Z. Holzer and Irena Kowalska. - New York : United Nations, 1997. - xii, 99 p. : ISBN: 9211007658 Subjects--Topical Terms: Fertility, Human Dewey Class. No.: 304.63209438 / Fe