Development of a promising system for diagnosing the frogs of railroad switches using the transverse profile measurement method Journal title: Восточно-Европейский журнал передовых технологий Authors: Vitalii Kovalchuk, Mykola Sysyn, Yuriy Hnativ, Olena Bal, Bogdan Parneta, Andriy Pentsak Subject(s):
