00607naa#a2200193#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200009700101210007000198215001100268608002700279700002200306700002500328700002500353856003500378EN\\bibl\294420240519074038.7##a1995-042X##a20140626b2014####ek#y0engy0150####ca0#aRUS##aRU1#aMethodological approach to the cosmic products and services classification eJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2014##a11 с.##aJournal article2local#1aZaichkogValeriy #1aZhiganovgAleksandr #1aMaksimovgAleksandr 4#aservice-rusjournal.editorum.ru