@article {10.3844/ajssp.2014.1.2,
article_type = {journal},
title = {Problems of Ultra-High Energy Cosmic Rays},
author = {Anna V. Uryson},
volume = (2},
number = {1}, 
year = {2014},
month = {Dec.},
pub_date = {2020-04-09},
pages = {1-2},
doi = {10.3844/ajssp.2014.1.2},
url = {https://thescipub.com/abstract/ajssp.2014.1.2},
abstract = {},
journal = {Space Science International},
publisher = {Science Publications}
}