Special research methods for gerontology 
edited by m. Powell Lawton and A. Regula Herzog. 
 - New York  Baywood Publishing Co  1991. 
 - 317 p. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0895030616  34.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gerontology--Research--Methodology.<br/>Gerontology--Longitudinal studies.
<br/><br/><label>Dewey Class. No.: </label>305.2'6'072