Search for: [Subject and Keywords = Wieliczka salt mine] OR [Subject and Keywords = Crystal Caves] OR [Subject and Keywords = kopalnia soli \(Wieliczka, Polska\)] OR [Subject and Keywords = Groty Kryształowe] OR [Title = 9.3. Temperature of halite crystals] OR [Title = 9.3. Temperatura kryształów halitu] OR [Creator = Urban, Jan] OR [Creator = Otęska\-Budzyn, Janina]