TY  - BOOK
AU  - Fries,James F.
AU  - Crapo,Lawrence M.
TI  - Vitality and aging: implications of the rectangular curve 
SN  - 071671308X
PY  - 1981///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Aging
KW  - Longevity
KW  - Vitality
KW  - Vitalism
N1  - Includes index; Bibliography: p
ER  -