Creative prototyping tools: what interaction designers really need to produce advanced user interface concepts.

Manfred Tscheligi Stephanie Houde Raghu Kolli Aaron Marcus Michael Muller Kevin E. Mullet Creative prototyping tools: what interaction designers really need to produce advanced user interface concepts. 170-171 1995 CHI 95 Conference Companion http://doi.acm.org/10.1145/223355.223485 db/conf/chi/chi1995c.html#TscheligiHKMMM95