Liu, L., F. Li, and Z. Liu. “The Genus Sigmatoneura Enderlein (Psocoptera: Psocidae), With Two New Species from China LUXI LIU, FASHENG LI &Amp; ZHIQI LIU”. Zootaxa, vol. 2999, no. 1, Aug. 2011, pp. 33–41, doi:10.11646/zootaxa.2999.1.3.