Sata

http://www.swami-krishnananda.org/invoc/in_sata.html
http://www.esamskriti.com/essay-chapters/Sri-Rudra-Prasna-or-Satarudriya-~A-Flag-Post-of-Universality-and-Inclusiveness-of-Hinduism-1.aspx
https://ramanan50.wordpress.com/2014/07/11/types-of-shiva-lingas-100-skanda-purana/