Gheorghe-Florin , S. (2008). Записки Горного института, 174, 40-41. извлечено от https://pmi.spmi.ru/pmi/article/view/7477

Gheorghe-Florin , S. (2008). Removing cuttings from deviated and horizontal wells. Journal of Mining Institute, 174, 40-41. Retrieved from https://pmi.spmi.ru/pmi/article/view/7477