TY  - JOUR
A1  - Caldwell, J.C.
A1  - Igun, A.A.
T1  - An experiment with census-type age enumeration in Nigeria
Y1  - 1971
DO  - 10.2307/2173216
JF  - Population Studies
VL  - 25
IS  - 2
SP  - 287
EP  - -302

ER  -