Longman Illustrated Dictionary of Geology : The principles of geology explained and illustratedAlec WattAgotado4,0Notifícame
Rohstoffe: Einheimische Rohstoffe - Steine, Erden und IndustriemineraleAutores variosAgotadoNotifícame
Geology, Soil Environment and Hydrogeology of the Gedeo Zone, EthiopiaKarel MartinekAgotadoNotifícame
