@article{PismaZhETF.20.349,
    title = {Experimental observation of the birefringence of Mossbauer radiation in an antiferromagnetic hematite crystal},
    author = {Labushkin, V. G. and Ivanov, S. N. and Chechin, G. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {20},
    issue = {6},
    pages = {349},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27272.shtml},
}