@article{JETPL.113.267,
    title = {Effect of Electron Delocalization on the ?Recoil-Free? Absorption of ?-Ray Photons in Fe1.75V0.25BO4 Warwickite},
    author = {Knyazev, Yu. V. and Bayukov, O. A. and Shustin, M. S. and Balatskii, D. V. and Bel?skaya, N. A. and Gromilov, S. A. and Sukhikh, A. S. and Rudenko, V. V. and Kazak, N. V.},
    journal = {JETP Lett.},
    volume = {113},
    issue = {4},
    pages = {279},
    year = {2021},
    doi = {10.1134/S002136402104010X},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821040091},
    note = {[Pisma v ZhETF 113, 267 (2021)]}
}