Clyne RK, Kelly TJ (November 1997). "Identification of autonomously replicating sequence (ARS) elements in eukaryotic cells". Methods. 13 (3): 221–233. doi:10.1006/meth.1997.0522. PMID 9441849. https://doi.org/10.1006%2Fmeth.1997.0522 ↩