Upītis, A., Goiževskis, O., Kristapsons, M., & Kārkliņš, A. (2001). A SYSTEM OF WASTE UTILIZATION WITH PROCESSES OF BIOLOGIC AND THERMIC DESTRUCTION. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, 1, 204-210. https://doi.org/10.17770/etr2001vol1.1961