00646naa#a2200181#i#4500001001600000005001700016011001400033100004100047101000800088102000700096200019500103210005800298215001000356608002700366675003200393700001900425856002000444EN\\bibl\11275320260118201128.7##a2311-1402##a20170925b2017####ek#y0engy0150####ca0#aRUS##aRU1#aBLOCK SYSTEM OF CREATING EDUCATIONAL AND TRAINING CLASSES IN TRACK AND FIELD ATHLETICS FOR LEVEL INCREASE OF PHYSICAL FITNESS TO PASS «READY FOR LABOR AND DEFENSE» COMPLEXeJournal article1#aNizhnevartovskcNizhnevartovsk State Universityd2017##a6 с.##aJournal article2local##a. 378:796.015.1:796.42zRUS#1aKovalchukgO G4#avestnik.nvsu.ru