TY - GEN TY - GEN T1 - Hyperdocuments and pervasive accessibility JF - Internet as a tool in special education : Erinet project report 1 SP - 29 OP - 46 A1 - Nokelainen, Petri LA - eng YR - 1997 UL - https://kansalliskirjasto.finna.fi/Record/arto.014401652 SN - 951-34-0967-8 ER -