Broul , J., & Husárik , J. (2007). Special conditions of transporting routes construction in undermined areas in Czech Republic. Записки Горного института, 170(2), 97-99. извлечено от https://pmi.spmi.ru/pmi/article/view/7723

Broul , J., & Husárik , J. (2007). Special conditions of transportation routes construction in undermined areas in Czech Republic. Journal of Mining Institute, 170(2), 97-99. Retrieved from https://pmi.spmi.ru/pmi/article/view/7723