@article{PismaZhETF.51.368,
    title = {Observation of amorphous phase of carbon at pressures above 23 GPa},
    author = {Goncharov, A. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {7},
    pages = {368},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17276.shtml},
}