.

Shuiskii , V. F., Petrov , D. S., Petrova , T. A. and Maksimova , T. V. (2001) "Impact of OAO Phosphorit on the Ecological System of the Luga River and Its Tributaries", Journal of Mining Institute, 147, pp. 138-150. Available at: https://pmi.spmi.ru/pmi/article/view/9773 (Accessed: 5 December 2025).