TY - RPRT TI - Polymerization on the rocks: negatively-charged alpha-amino acids AU - Hill, A. R. Jr AU - Bohler, C. AU - Orgel, L. E. AU - Bada, J. L. PY - 1998 UR - https://ntrs.nasa.gov/citations/20040172675 ID - 20040172675 ER -