Rusu A. M.; Har N.; Bartok K.; Dubbin B.; Purvis W.; Williamson B.: Assessment of polluting elements in soil samples from the area of Zlatna Town, Romania. In: Acta mineralogica-petrographica, (41). p. 60. (2000)
Frentiu T.; Rusu A. M.; Ponta M.; Marginean I.; Cordos E. A.: Dispersion and contents of industrial dust and soil samples from Baia Mare area, North-West Romania. In: Acta mineralogica-petrographica, (41). p. 28. (2000)