@article{ref1,
title="Judgment under uncertainty: heuristics and biases",
journal="Science",
year="1974",
author="Tversky, A. and Kahneman, Daniel",
volume="185",
number="4157",
pages="1124-1131",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.185.4157.1124",
url="http://dx.doi.org/10.1126/science.185.4157.1124"
}