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2. Supergene alteration and gossan textures of base-metal ores in Southern Africa;Andrew;Miner. Sci. Eng.,1980
3. The geochemistry of selected base metal gossans, Southern Africa;Andrew;J. Geochem. Explor.,1984
4. Short Course in Evaluation of Gossans in Mineral Exploration;Andrew,2000
5. Geochemistry of Selected Productive and Barren Intrusions in Shahr Babak Copper Complex, Urumiyeh–Dokhtar Volcano–Magmatic Belt;Asadi,2013