@article{ Solr-PU197304003478, title = {The development and state of scientific investigation of physical education and sport in the Czechoslovak Socialist Republic : [scientific congress]}, journal = {Teorie a praxe telesne vychovy}, volume = {20}, number = {Sonderh.}, pages = {o.A.}, author = {STRANAI, KAROL}, editor = {STRANAI, KAROL}, year = {1972}, }