Media type: E-Article Title: Ecological estimation of swards grown in the region of Middle Balkan Mountains Contributor: Natalia Anastasova Georgieva; Valentin Kosev; Dimitar Mitev imprint: 2018 Published in: Journal of BioScience and Biotechnology Language: English ISSN: 1314-6238; 1314-6246 Origination: Footnote: Access State: Open Access