TY  - CHAP
A1  - Rees, P.
T1  - Does it really matter which migration data you use in a population model?
Y1  - 1985
A3  - van der Knapp, G.A.
A3  - White, P.E.
T2  - Contemporary studies of migration
CY  - Norwich
PB  - GeoBooks

ER  -