HERTWIG, R., ORTMANN, Andreas. Experimental practices in economics: a challenge for Psychologist? Behavioral and Brain Sciences. 2001, 24(3), 383-403. ISSN 0140-525X. E-ISSN 1469-1825. Available: http://proquest.umi.com/pqdweb?did=84936553&sid=1&Fmt=2&clientId=45063&RQT=309&VName=PQD