Kulyk, M. I., and I. I. Rozhko. “Introduced and Registered Switchgrass Varieties (Panicum Virgatum L.) As a Source Material for Breeding for Biomass Productivity”. Plant Varieties Studying and Protection, vol. 18, no. 2, Aug. 2022, pp. 136-47, doi:10.21498/2518-1017.18.2.2022.265181.