@article{PismaZhETF.59.50,
    title = {Spin excitations and new orientational transition in a holmium orthoferrite with magnetic vacancies: $HoFe_{1-x}Al_xO_3$},
    author = {Mukhin, A. A. and Fedorov, I. V. and Egoyan, A. E. and Lebedev, S. P. and Kozlov, G. V. and Prokhorov, A. S. and Balbashov, A. M. and Parsegov, I. Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {59},
    issue = {1},
    pages = {50},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19563.shtml},
}