JOSEF ŠPAČEK AND MIROSLAV SEKERA'S REMARKABLE ALBUM – SHOWS A WORLD OF UNEXPECTED CONTRASTS IN BOHUSLAV MARTINŮ'S MUSIC FOR VIOLIN AND PIANO – SUPRAPHON.com
WW2 according to COD : r/Warzone
TheRound Table - Winter 2012 by John Bapst - Issuu
US sekera M 1910
The public economy: understanding government as a producer. A reformation of public economics | June Sekera (2018) - TOWARDS LIFE-KNOWLEDGE