Vaitkutė, Dovilė, Edita Baltrėnaitė, BoothColin A, and FullenMichael A. “Does Sewage Sludge Amendment to Soil Enhance the Development of Silver Birch and Scots Pine?”. Hungarian Geographical Bulletin 59, no. 4 (December 19, 2010): 393-410. Accessed December 21, 2024. https://ojs.mtak.hu/index.php/hungeobull/article/view/3118.