@article{e4b5a98661c64e11be2f83baae5fe634,
title = "A crystalline fragment of the double helix: the structure of the dinucleoside phosphate guanylyl-3',5'-cytidine.",
author = "Day, {R. O.} and Seeman, {N. C.} and Rosenberg, {J. M.} and A. Rich",
year = "1973",
month = mar,
doi = "10.1073/pnas.70.3.849",
language = "English (US)",
volume = "70",
pages = "849--853",
journal = "Proceedings of the National Academy of Sciences of the United States of America",
issn = "0027-8424",
publisher = "National Academy of Sciences",
number = "3",
}