Valeriu Plesea

ESTABLISHING THE ACCEPTABLE RISK LEVEL IN OCCUPATIONAL ACCIDENTS AND DISEASES BASED ON A FORMAL ANALYSIS

Constantin Baciu, Gabriel Dragos Vasilescu, Valeriu Plesea, 2008 .

Sustainable combined utilization of renewable forest resources and coal in romania

Valeriu Plesea, Gheorghe Lazaroiu, Eugen Traista, 2008 .