TY  - RPRT
TI  - Endosymbioses: cyclical and permanent in evolution.
AU  - L Margulis
AU  - M J Chapman
PY  - 1998
DO  - 10.1016/s0966-842x(98)01325-0
UR  - https://pubmed.ncbi.nlm.nih.gov/9778725/
ID  - 9778725
ER  -