@conference {156857,
	title = {New technique - one three-one two (13-12) - in ultimate pit limit heuristic algorithms},
	booktitle = {The 45 th International October Conference on Mining and Metallurgy},
	year = {2013},
	month = {16-19 October},
	address = {Bor, Serbia},
	author = {M. Elkarmoty and EL-WAGEEH, M. and A. Abd El-Aziz and Y. El-Shayeb}
}
