@article{102773, url = {http://digitallibrary.un.org/record/102773}, title = {Exploration by geophysical methods, extraction and transport of hard rock inclusions during overburden removal /}, publisher = {UN,}, recid = {102773}, pages = {9 p. :}, address = {Geneva :. 1984-03-02}, year = {1984}, month = {Mar}, }