Jung J-H, Seo D-H, Holden JF, Park C-S.  2014.  Maltose-forming ?-amylase from the hyperthermophilic archaeon Pyrococcus sp. ST04.. Appl Microbiol Biotechnol. 98(5):2121-31.

Lee J-E, Kim I-H, Jung J-H, Seo D-H, Kang S-G, Holden JF, Cha J, Park C-S.  2013.  Molecular cloning and enzymatic characterization of cyclomaltodextrinase from hyperthermophilic archaeon Thermococcus sp. CL1.. J Microbiol Biotechnol. 23(8):1060-9.