@inproceedings{Goldstein01b,
title = {Building Rules},
author = {R. Goldstein and Richard Noss and I. Kalas and Dave Pratt},
booktitle = {the 4th International Conference of Cognitive Technology CT2001},
editor = {M. Beynon and C. and L. Nehaniv and K. Dautenhahn},
pages = {267--281},
url = {http://www.ioe.ac.uk/playground/RESEARCH/papers/building_rules.pdf},
year = {2001},
priority = {2}, citeulike-article-id = {487351},
keywords = {constructionism games learning mathgamespatterns playground rules }
}
::