00608naa#a2200169#i#450# EN\\bibl\123484 20260710020614.5 1994-4683 20230831b2023####ek#y0engy0150####ca RU SPORTS RADIO DIRECTION FINDING FOR THE BLIND Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 3 с. Journal article local Спортивное ориентирование. 796.56 Zelensky Konstantin Grigorievich uchzapiski.lesgaft.spb.ru