@article{JETPL.111.197,
    title = {Ferromagnetic Resonance Study of Biogenic Ferrihydrite Nanoparticles: Spin-Glass State of Surface Spins},
    author = {Stolyar, S. V. and Balaev, D. A. and Ladygina, V. P. and Pankrats, A. I. and Yaroslavtsev, R. N. and Velikanov, D. A. and Iskhakov, R. S.},
    journal = {JETP Lett.},
    volume = {111},
    issue = {3},
    pages = {183},
    year = {2020},
    doi = {10.1134/S0021364020030145},
    url = {http://jetpletters.ru/ps/dx/10.31857/S0370274X2003011X},
    note = {[Pisma v ZhETF 111, 197 (2020)]}
}