TY  - GEN
AU  - Nicholls,A G
TI  - Silent revolutions. 1942
SN  - 0820-3946
PY  - 1991///0822
KW  - Aging
KW  - Canada
KW  - History, 20th Century
KW  - Humans
KW  - Population Dynamics
N1  - Publication Type: Biography; Classical Article; Historical Article; Journal Article
ER  -