Heavy Metals and Physico-Chemical Parameters Analysis from the Wells in the Buhoci Area, Bacau - COCHIORCA, Alina; NEDEFF, Valentin; FIORUCCI, Adriano; PANAINTE-LEHĂDUȘ, Mirela; BÂRSAN, Narcis; IRIMIA, Oana (The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2017)