TY  - RPRT
TI  - An analysis of migratory systems: 2. Operational framework.
AU  - P Kanaroglou
AU  - K Liaw
AU  - Y Y Papageorgiou
PY  - 1986
UR  - https://pubmed.ncbi.nlm.nih.gov/12267897/
ID  - 12267897
ER  -