00361nas a2200121   4500000000100000000000100001008004100002100001900043700001900062700001800081245012900099300001100228       2017                            d1 aLyubka Pashova1 aAnna Kortcheva1 aVasko Galabov00aOn the Necessity of Improving the Research Infrastructure in the Western Black Sea for the Purposes of Flood Risk Management  a31-46