@article{zu27275,
           title = {???????????? ??????????? Ceratophyllum demersum L. (C. demersum)},
          author = {?. ?. ?????????? and ?. ?. ??????????},
       publisher = {???????: ??? - ?? ??? ??. ?.??????},
            year = {2012},
           pages = {113--115},
         journal = {?????????? ??????????? - 2012: ????????? ???????????},
             url = {http://eprints.zu.edu.ua/7275/}
}