Havlena,V.,J.Jaros and J.Pesek (ed.) Problems of the geology of the Upper Silesian Basin,the Boskovice Furrow and the Plzen Basin - - Praga - CHEC Charles University 1968 - 22p. 20cm - Congreso Geologico Internacional,23º,Checoeslovaquia,1968 . ISBN: Subjects--Topical Terms: --Geologia--Silesiano Superior--Congresos----Geologia