Gkelis, Spyros, and Aristidis Vlamis. “Can Cyanobacteria Infect Underground Water Sources? Evidence from a Small Scale Monitoring of Natural Mineral Water Drinking Source”. Advances in Oceanography and Limnology 8, no. 1 (May 3, 2017). Accessed April 24, 2024. https://www.pagepressjournals.org/aiol/article/view/6280.