Odborná nauka
http://lod.ehri-project-test.eu/units/cz-002302-ehri_pt-a_1266 an entity of type: RecordSet
A 1266
Odborná nauka
Notes on physics probably by M.König, dated 26.5.1942. On the other side of the sheet there are notes on races of young people in athletics written probably by Jiří Borský