Titlebook: Economic Evaluations in Exploration; Friedrich-Wilhelm Wellmer Textbook 19891st edition Springer-Verlag Berlin Heidelberg 1989 Exploration

步履蹣跚

puzzle

https://doi.org/10.1007/978-3-319-56210-0G.) is ambiguous, whether L(G.) ? L(G.), and whether L(G.) = L(G.). Section 9.4 discusses methods for avoiding redundancies and other inefficiencies. Section 9.5 shows how these methods can be used to the handle ambiguities.

向外供接觸

四牛在彎曲