Bugg C.E. ea, 1971
Bugg C.E. , Thomas J.M. , Sundaralingam M. , Rao S.T.
Stereochemistry of nucleic acids and their constituents.
X. Solid-state base-stacking patterns in nucleic acid
constituents and polynucleotides, Biopolymers , 10, 175-219
( 1971 ).