[No authors listed]
C Bert, K King, A Brown, D Watkins - 2009 - archive2.cra.org
GSID: g9M5T9E4qQEJ

Ryoo JJ, Sandoval CDM, Lee C, Goode J.
J Margolis, JJ Ryoo, CDM Sandoval, C Lee, J Goode… - ACM Inroads, 2012 - dl.acm.org
GSID: 1qquf_oKVk4J

Staats S.
S Staats - Journal of Mathematics and Culture, 2006 - Citeseer
GSID: q5gu_WRt7OYJ

[No authors listed]
M Mateas - Software Studies\A lexicon. London: MIT, 2008 - books.google.com
GSID: AyzCx8r-qxoJ