@misc{indiciae09a6d85bc864, title = {Source identification by non-negative matrix factorization combined with semi-supervised clustering}, author = {Alexandrov, Boian S. and Alexandrov, Ludmil B. and Iliev, Filip L. and Stanev, Valentin G. and Vesselinov, Velimir V.}, year = {2023}, url = {https://www.osti.gov/biblio/2222289}, note = {Source identifier: 2222289} }