Small-scale mining a global overview

Detalles Bibliográficos
Autores Corporativos:	Mining, Geological, and Metallurgical Institute of India, United Nations. Economic and Social Commission for Asia and the Pacific, International Conference on Small-scale Mining (1991 : Calcutta, India)
Otros Autores:	Ghose, Ajoy K.
Formato:	Libro
Lenguaje:	English
Publicado:	The Netherlands A.A. Balkema 1994.
Materias:	Mines and mineral resources > Congresses. Mining engineering > Congresses.