@unpublished{zu212406,
           title = {????????-?????? ????????? ????????? ?? ?????????? ??????? ????????? ???????? (Mollusca, Pectinibranchia, Viviparidae) ? ???????? ???????},
          author = {?. ?. ??????? and ?. ?. ????????},
            year = {2014},
        keywords = {Mollusca, Pectinibranchia, Viviparus viviparus,?????????, ????????-?????? ?????????,?????????? ???????.},
             url = {http://eprints.zu.edu.ua/12406/}
}