Lectures of the year 1991

ŚB 1.13.11 Czech republic, Farm KD 23.9.1991
ŚB 2.1.13 Prague, Czech Republic 24.9.1991
ŚB 2.1.13 Czech republic, Farm KD 20.9.1991
ŚB 2.1.12 Prague, Czech Republic 22.9.1991