TY  - BOOK
AU  - Gumpert,Martin
TI  - You are younger than you think,
AV  - RA776 .G94
U1  - 618.97 
PY  - 1944///]
CY  - New York
PB  - Duell, Sloan and Pearce
KW  - Old age
KW  - Longevity
N1  - "First edition."; "Works consulted and references" :  p. 235-237
ER  -