TY  - RPRT
TI  - Variable spatial selection with two stages of migrations and comparisons between different timings.
AU  - S Karlin
AU  - R S Kenett
PY  - 1977
DO  - 10.1016/0040-5809(77)90019-3
UR  - https://pubmed.ncbi.nlm.nih.gov/560067/
ID  - 560067
ER  -