Articles from author "Špalek Jiří"
Minerals of the ullmannite–gersdorffite solid-solution in association with millerite from the mine dump of the Lill mine, Příbram (Czech Republic)
Volume 28, issue 1 (2020), pages 203-209
Fibroferrite from the historical locality Valachov (Skřivaň) near Rakovník (Czech Republic)
Volume 22, issue 2 (2014), pages 371-375