Farkas, J.
Environmental effects of Toarcian manganese ores, Urkút, Hungary - Rotterdam A.A. Balkema 1999 - pp. 227-230 ilus. - t.1 .
ASPECTOS AMBIENTALES
MANGANESO
MATERIA ORGANICA
HUNGRIA
R/061.3:553/S78|49
Environmental effects of Toarcian manganese ores, Urkút, Hungary - Rotterdam A.A. Balkema 1999 - pp. 227-230 ilus. - t.1 .
ASPECTOS AMBIENTALES
MANGANESO
MATERIA ORGANICA
HUNGRIA
R/061.3:553/S78|49