TY  - RPRT
TI  - Ancient microspheres - Abiogenic, protobiogenic, or biogenic?
AU  - Fox, S. W.
AU  - Syren, R. M.
AU  - Ingram, M.
AU  - Price, B. J.
AU  - Costello, J.
PY  - 1983
UR  - https://ntrs.nasa.gov/citations/19840041949
ID  - 19840041949
ER  -