00610naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200007000102210007000172215001100242608002700253686008900280700002400369856003500393EN\\bibl\1774220240505041250.7##a1995-042X##a20170807b2017####ek#y0engy0150####ca0#aRUS##aRU1#aTHE NEGATIVE ASPECTS  OF NATURE-ORIENTED TOURISMeJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2017##a11 с.##aJournal article2local##aТуристско-экскурсионное обслуживание. 71.372grnti#1aVINOGRADOVgEgor S.4#aservice-rusjournal.editorum.ru