Janusz Cichowski Adam Kupryjanow Andrzej Czyzewski Further Developments of the Online Sound Restoration System for Digital Library Applications. 215-239 2014 Intelligent Tools for Building a Scientific Information Platform https://doi.org/10.1007/978-3-319-04714-0_14 series/sci/2014-541 db/series/sci/sci541.html#CichowskiKC14