TY - JOUR TT - Sovyet Kömürlerindeki Verimlilik Konusunda Açıklığa Kavuşan Hususlar ve Rakamlar AU - Strlshkov, V. V AU - Markon, George AU - Murphy, Zane E. AU - Dörter, İhsan PY - 1973 DA - November JF - Bilimsel Madencilik Dergisi JO - Madencilik PB - Chamber of Mining Engineers of Turkey WT - DergiPark SN - 2564-7024 SP - 45 EP - 52 VL - 12 IS - 6 UR - https://dergipark.org.tr/en/pub/madencilik/issue//362474 L1 - https://dergipark.org.tr/en/download/article-file/377111 ER -