import/CMSwp-all.00000101/00000172.nul indexed_doc NulPlugin 0 00000172.nul 00000172.nul CMSwp-all.00000101/00000172.nul 1 Nichols, David M. Twidale, Michael. University of Waikato. Dept. of Computer Science. c2002. "December 2002." Includes bibliographical references (leaves [12-15]). Hamilton, N.Z. : Dept. of Computer Science, University of Waikato, Open source software. Computer software Human factors. Usability and open source software / David M. Nichols and Michael B. Twidale. 00000172 HASHc17f14445b6469adce9a27 1522045362 20180326 1522045420 20180326 HASHc17f.dir This document has no text.