00712naa#a2200181#i#4500001001500000005001700015011001400032100004100046102000700087200014000094210007000234215001100304608002700315686008900342700003100431700003300462856003500495EN\\bibl\1668620240515065439.3##a1995-042X##a20170630b2017####ek#y0engy0150####ca##aRU1#aENVIRONMENTAL SERVICES OF NATURAL SYSTEMS  OF THE VOLGA-AKHTUBA FLOODPLAIN AS THE BASIS  OF ITS RECREATIONAL POTENTIALeJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2017##a10 с.##aJournal article2local##aТуристско-экскурсионное обслуживание. 71.372grnti#1aSaningAleksandr Yur'evich#1aKoshovskiygTimur Sergeevich4#aservice-rusjournal.editorum.ru