RecordNumber

55583

Author

Wellmer, Friedrich- Wilhelm

Title

Economic evaluations in exploration

Author Statement

Friedrich- Wilhelm Wellmer

Publication

Springer

Publication Year

[c1989]

Collation

xiii, 163p.: diagrs

Subject

Discoveries (In geography)- Evaluations

Main Class

910

Sub Class

.90

Cutter no

15195

Date

W452e

وارد كنندة اطلاعات

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