K.O. Stetter (1982)
Nature (London) 300, 258-260
Ultrathin mycelia-forming organisms from submarine volcanic areas having an optimum growth temperature of 105°C.

K.O. Stetter, H. König, and E. Stackebrandt (1983)
System. Appl. Microbiol. 4, 535-551
Pyrodictium gen. nov., a new genus of submarine disc-shaped sulphur reducing archaebacteria growing optimally at 105°C

G.Rieger, R.Rachel, R.Hermann, K.O.Stetter (1995)
J.Struct.Biol. 115:78-87
Ultrastructure of the hyperthermophilic archaeon Pyrodictium abyssi

G.Rieger, K.Müller, R.Hermann, K.O.Stetter, R.Rachel (1997)
Arch.Microbiol. 168:373-379
Cultivation of hyperthermophilic archaea in capillary tubes resulting in improved preservation of fine structures