A. Singh; E. Nlbeshbishy; S. Aldin; B. Millen (November 2014). "Impact of alkaline-hydrolyzed biosolids (Lystek) addition on the anaerobic digestibility of TWAS in lab – And full-scale anaerobic digesters". Waste Management. 34 (11): 2090–2097. doi:10.1016/j.wasman.2014.07.022. PMID25154917.
A. Singh; E. Nlbeshbishy; S. Aldin; B. Millen (November 2014). "Impact of alkaline-hydrolyzed biosolids (Lystek) addition on the anaerobic digestibility of TWAS in lab – And full-scale anaerobic digesters". Waste Management. 34 (11): 2090–2097. doi:10.1016/j.wasman.2014.07.022. PMID25154917.