Alireza Darvishy Hans-Peter Hutter Alexander Horvath Martin Dorigo A Flexible Software Architecture Concept for the Creation of Accessible PDF Documents. 47-52 2010 ICCHP (1) http://dx.doi.org/10.1007/978-3-642-14097-6_8 conf/icchp/2010 db/conf/icchp/icchp2010.html#DarvishyHHD10