From thirty to seventy.
Subtitle: [By] Henry S. Maas [and] Joseph A. Kuypers.
Contributors: Kuypers, Joseph A., 1940-
Series: Jossey-Bass behavioral science series
Publisher: Jossey-Bass
Published: 1974
Place of publication: San Francisco
Language: eng
Number of pages: 240
Subjects: Older people -- United States
Notes: Bibliography: p. 229-231.