A Simple Management Tool for Medium-Sized Web Sites. - Igor Fischer; Andreas Zell (DDEP/PODDP, 2000)

Similarity-Based Neural Networks for Applications in Computational Molecular Biology. - Igor Fischer (IDA, 2003)

Pattern recognition algorithms for symbol strings. - Igor Fischer (2004)

Visual Document Authentication Using Human-Recognizable Watermarks. - Igor Fischer; Thorsten Herfet (ETRICS, 2006)

Visual CAPTCHAs for Document Authentication. - Igor Fischer; Thorsten Herfet (MMSP, 2006)

Watermarks and Text Transformations in Visual Document Authentication. - Igor Fischer; Thorsten Herfet (J. Comput., 2007)