1.
Walczak N, Hammerling M, Bykowski J, Walczak Z. Economic and Hydraulic Criteria for Maintenance of Good Condition of Drainage Ditches. jard [Internet]. 31Dec.2015 [cited 28Apr.2024];35(1):137-46. Available from: http://www1.up.poznan.pl/jard/index.php/jard/article/view/275