TY - RPRT TI - The primordial sequence, ribosomes, and the genetic code. AU - Fox, S. W. AU - Yuki, A. AU - Waehneldt, T. V. AU - Lacey, J. C., Jr. PY - 1971 UR - https://ntrs.nasa.gov/citations/19720031109 ID - 19720031109 ER -