TY  - RPRT
TI  - Biological externalities and evolution: a comment.
AU  - H E Frech
PY  - 1973
DO  - 10.1016/0022-5193(73)90079-9
UR  - https://pubmed.ncbi.nlm.nih.gov/4730025/
ID  - 4730025
ER  -