TY  - BOOK
AU  - Welford,T.W.
AU  - Allan,G.A.
TI  - Skill and age: an experimental approach
U1  - 612.67019 
PY  - 1951///
CY  - London
PB  - Nuffield Foundation
KW  - Aged
KW  - Psychology
KW  - Aging
N1  - Includes index
ER  -