@inbook{Wermelinger_1993,<br/><span class="tab"></span> title={An X-Windows toolkit for knowledge acquisition and representation based on conceptual structures},<br/><span class="tab"></span> ISBN={9783540481898},<br/><span class="tab"></span> ISSN={1611-3349},<br/><span class="tab"></span> url={http://dx.doi.org/10.1007/3-540-57454-9_21},<br/><span class="tab"></span> DOI={10.1007/3-540-57454-9_21},<br/><span class="tab"></span> booktitle={Lecture Notes in Computer Science},<br/><span class="tab"></span> publisher={Springer Berlin Heidelberg},<br/><span class="tab"></span> author={Wermelinger,<br/><span class="tab"></span> Michel and Lopes,<br/><span class="tab"></span> José Gabriel},<br/><span class="tab"></span> year={1993},<br/><span class="tab"></span> pages={262–271} }