Mining and stone industry of Hungary,
Böckh, HUgo von.
Mining and stone industry of Hungary, by H. Böckh, Z. Lázár, S. Papp, M. Pálfy, T. Szontagh, and A. Zsigmondy. - Budapest, F. Pfeifer (Bros. Zeidler) 1920. - 44 p. 24 cm.
gs 20000250
Mines and mineral resources--Hungary.
Stone--Hungary.
TN65.5 / .B6
Mining and stone industry of Hungary, by H. Böckh, Z. Lázár, S. Papp, M. Pálfy, T. Szontagh, and A. Zsigmondy. - Budapest, F. Pfeifer (Bros. Zeidler) 1920. - 44 p. 24 cm.
gs 20000250
Mines and mineral resources--Hungary.
Stone--Hungary.
TN65.5 / .B6