Karpuz, C. 1990. A classification system for excavation of surface coal measures. INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY , vol.11 , 157-163.

Karpuz, C., (1990). A classification system for excavation of surface coal measures. INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY , vol.11, 157-163.

Karpuz, CELAL. "A classification system for excavation of surface coal measures," INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY , vol.11, 157-163, 1990

Karpuz, CELAL. "A classification system for excavation of surface coal measures." INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY , vol.11, pp.157-163, 1990

Karpuz, C. (1990) . "A classification system for excavation of surface coal measures." INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY , vol.11, pp.157-163.

@article{article, author={CELAL KARPUZ}, title={A classification system for excavation of surface coal measures}, journal={INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY}, year=1990, pages={157-163} }