GAO Zhao-kui. A discussion on four kinds of grades applied to contour ore bodies under the condition of market-oriented economy[J]. Northwestern Geology, 2002, 35(3): 113-118.
Citation:
|
GAO Zhao-kui. A discussion on four kinds of grades applied to contour ore bodies under the condition of market-oriented economy[J]. Northwestern Geology, 2002, 35(3): 113-118.
|
GAO Zhao-kui. A discussion on four kinds of grades applied to contour ore bodies under the condition of market-oriented economy[J]. Northwestern Geology, 2002, 35(3): 113-118.
Citation:
|
GAO Zhao-kui. A discussion on four kinds of grades applied to contour ore bodies under the condition of market-oriented economy[J]. Northwestern Geology, 2002, 35(3): 113-118.
|