Easterlin, Richard A. <br/><br/>Birth and fortune :  the impact of numbers on personal welfare / Richard A. Easterlin.  -- 2nd. ed.  -- Chicago :  University of Chicago Press  1987 <br/>xii, 228 p.  21 cm. <br/><br/> includes bibliographical references and index.  <br/><br/><label>ISBN: </label>0226180328 <br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility<br/><br/><label>Dewey Class. No.: </label>GC 304.60973 Ea77 1987