000 005420000a22001570004500
090 _aAR
_b03618
245 1 0 _aRNA - like structures tag the 3' ends of genomic RNA molecules for replication
_simplications for the origin of protein synthesis
650 1 4 _aAnálisis genético
_975159
650 1 4 _aEvolución
_992797
650 1 4 _aBiología molecular
_993011
041 0 _aInglés
700 1 _aMaizels, Nancy
_997332
100 1 _aWeiner, Alan M.
_997333
942 _cARTICULO
773 1 _tProceedings Natl. Acad. Sci. USA
_q7383-7387
_d1987
_g84
999 _c12666
_d12666