Schauf, Andrew, and Miguel Escobar Varela. “Searching for Hidden Bridges in Co-Occurrence Networks from Javanese Wayang Kulit”. Journal of Historical Network Research 2, no. 1 (December 3, 2018): 26-52. Accessed April 23, 2019. //jhnr.uni.lu/index.php/jhnr/article/view/42.