https://archive.org/stream/study-and-analysis-of-the-geological-and-technical-characteristics-an/1-article.%20STUDY%20AND%20ANALYSIS%20OF%20THE%20GEOLOGICAL%20AND%20TECHNICAL%20CHARACTERISTICS%20AND%20MINING%20CONDITIONS%20OF%20THE%20KALMAKYR%20AND%20YOSHLIK%20I%20QUARRIES_djvu.txt
Full text of "QALMOQQIR VA YOSHLIK I KARYERLARINING GEOLOGIK-TEXNIK XUSUSIYATLARI VA QAZIB OLISH...