TY - RPRT TI - Informational biopolymer structure in early living forms. AU - Dayhoff, M. O. AU - Mclaughlin, P. J. AU - Barker, W. C. AU - Hunt, L. T. PY - 1972 UR - https://ntrs.nasa.gov/citations/19730033144 ID - 19730033144 ER -