TY - RPRT TI - A structural model for the polyadenylic acid single helix. AU - W Saenger AU - J Riecke AU - D Suck PY - 1975 DO - 10.1016/0022-2836(75)90244-2 UR - https://pubmed.ncbi.nlm.nih.gov/1142433/ ID - 1142433 ER -