Formation of microcrystals under the influence of femtosecond laser radiation on carbon samples in liquid nitrogenKirill Khorkov, Dmitry Kochuev, Anton Chernikov, Valery Prokoshev and Sergey ArakelianEPJ Web Conf., 220 (2019) 02005DOI: https://doi.org/10.1051/epjconf/201922002005