@article{JaentschiL267 ,year = "2004" ,journal = "Leonardo Journal of Sciences" ,jabbre1 = "Leonardo J. Sci." ,jabbre2 = "Leonardo J Sci" ,title = "Multiple choice examination system 1. Database design and implementation for general chemistry" ,author = "Nașcu, Horea I. and Jäntschi, Lorentz" ,volume = "3" ,number = "5" ,pages = "18-33" ,ISSN = "1583-0233" ,url = "http://lori.academicdirect.org/pdfs/100/054.pdf" }