@inproceedings{sgem2021s1243,
  title = {THE CONCEPTUAL FRAMEWORK OF DEVELOPMENT OF ENVIRONMENTALLY FRIENDLY LAND DRAINAGE SYSTEM ELEMENTS TECHNICAL SOLUTIONS},
  author = {Sindija Liepa and Inga Grīnfelde and Jovita Pilecka-Uļčugačeva and Kristine Valujeva and Juris Burlakovs},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems},
  year = {2021},
  pages = {279-288},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/3.1/s12.43}
}