Stier, Gunter Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;
http://www.nature.com/nature/journal/v382/n6586/pdf/382090a0.pdf (Any fulltext)
https://doi.org/10.1038/382090a0 (Any fulltext)
Ceska, T. A., Sayers, J. R., Stier, G., & Suck, D. (1996). A helical arch allowing single-stranded DNA to thread through T5 5'-exonuclease. Nature, 382(6586), 90-93. doi:10.1038/382090a0.