. "Ban, C." . "Ramakrishnan, B." . "Sundaralingam, M." . "Sekharudu, C." . "Wahl, M.C." . "246D" . "5'-R(*GP*UP*AP*UP*AP*UP*AP*)-D(*C)-3'" . "STRUCTURE OF THE PURINE-PYRIMIDINE ALTERNATING RNA DOUBLE HELIX, R(GUAUAUA)D(C) , WITH A 3'-TERMINAL DEOXY RESIDUE" . . . . . . . .