By Peterson, David A..
San Francisco, Calif. Jossey Bass 1983 .
xvii, 342 p. , Includes index. 24 cm..
0875895654

By Peterson, David A..
Lexington, Mass. Lexington Books 1987 .
xiii, 106 p. 24 cm..
066915282X (alk. paper) | 0669152838 (pbk. : alk. paper)

Washington, DC Association for Gerontology in Higher Education 1994 .
xxv, 353 p. 28 cm..

Reston, VA U.S. Department of the Interior, U.S. Geological Survey 2004 .
vi, 34 p. , Shipping list no.: 2004-0141-P. 28 cm..
0607926562