TY  - RPRT
TI  - Composite, large spirochetes from microbial mats: spirochete structure review.
AU  - L Margulis
AU  - J B Ashen
AU  - M Solé
AU  - R Guerrero
PY  - 1993
DO  - 10.1073/pnas.90.15.6966
UR  - https://pubmed.ncbi.nlm.nih.gov/8346204/
ID  - 8346204
ER  -