Small-scale mining a global overview - Ghose, Ajoy K.; 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). (The Netherlands A.A. Balkema, 1994)
Co-sponsors: UN-ESCAP, Bangakok ... et al.
Title on t.p. verso: Proceedings of International Conference on Small-scale Mining, organised by Mining, Geological, and Metallurgical Institute of India at Calcutta from 3 to 5 October 1991.
Keywords: Mines and mineral resources -- Congresses; Mining engineering -- Congresses