TY  - RPRT
TI  - Model stability and instability in age structured populations.
AU  - J M Cushing
PY  - 1980
DO  - 10.1016/0022-5193(80)90307-0
UR  - https://pubmed.ncbi.nlm.nih.gov/7253668/
ID  - 7253668
ER  -