@article{PismaZhETF.80.216,
    title = {Magnetic resonance of Cu and of Gd  in insulating GdSr$_{2}$Cu$_{2}$NbO$_{8}$ and in  superconducting GdSr$_{2}$Cu$_{2}$RuO$_{8}$},
    author = {Dow, J. D. and Blackstead, H. A. and Ren, Z. F. and Wang, D. Z.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {80},
    issue = {3},
    pages = {216},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_6074.shtml},
}