1. Csiminga D.C. // Записки Горного института. 2006. Том 167№ 2. C. 309-312.

1. Csiminga D.C. The strategy of national pit coal company – consequence of restructuring Romanian mining industry in the context of Romanian adhesion to the European union // Journal of Mining Institute. 2006. Том 167№ 2. C. 309-312.