@inproceedings{zu24601,
       booktitle = {International Symposium of Malacology 2004},
           month = {???????},
           title = {The effect of heavy metals on the pond snail Lymnaea stagnalis
},
          author = {?. ?. ??????????},
            year = {2004},
           pages = {80--80},
             url = {http://eprints.zu.edu.ua/4601/}
}