TY  - BOOK
AU  - Fries,James F.
AU  - Crapo,Lawrence M.
TI  - Vitality and aging: implications of the rectangular curve 
SN  - 071671308X
AV  - QP86 .F73
U1  - 612/.67 19
PY  - 1981///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Aging
KW  - Longevity
KW  - Vitality
N1  - Includes index; Bibliography: p. 153-165
ER  -