TY - SER ED - The European Association for the Conservation of the Geological Heritage (PROGEO) TI - Geoheritage SN - 1867-2477 PY - 2009///- CY - Heidelberg, Germany PB - Springer KW - Landforms KW - Periodicals KW - Conservation of natural resources N1 - UKM: v. 1 (2009)-; Langganan ditamatkan mulai 2010 ER -