TY  - SER
TI  - Newsletter = Bulletin de liaision
SN  - 0771-2022
AV  - HB848 .I55a
U1  - 304.6/05 20
PY  - 1972///-©1998
CY  - Liège
PB  - The Union
KW  - Demography
KW  - Population
KW  - fast
N1  - Title from cover; Issues for 1976-1998 have French title: Bulletin de liaison
ER  -