TY - RPRT TI - How the first biopolymers could have evolved. AU - V I Abkevich AU - A M Gutin AU - E I Shakhnovich PY - 1996 DO - 10.1073/pnas.93.2.839 UR - https://pubmed.ncbi.nlm.nih.gov/8570645/ ID - 8570645 ER -