212.1 Johann Joachim BECHER. Physica subterranea profundam subterraneorum genesin, � principiis hucusque ignotis, ostendens... Editio novissima... Operam navavit et Specimen Beccerianum, fundamentorum, documentorum, experimentorum, subjunxit Geor. Ernestus Stahl, D. 8� Lipsi�: Joh. Ludov. Gleditsch 1703 Ferguson Young Wolfenbuttel Nat Union Cat British Library Bibliotheque Nationale