@article {175876,
	title = {Learning from Comparison in Algebra},
	journal = {Contemporary Educational Psychology},
	year = {In Press},
	url = {http://nrs.harvard.edu/urn-3:HUL.InstRepos:12122306},
	author = {Star, J. R. and Pollack, C. and Durkin, K. and Rittle-Johnson, B. and Lynch, K. and Newton, K. and Gogolen, C.}
}
