@ARTICLE{Cesar2013
 , author = {Jean Cesar}
 , title = {An amazing title}
 , year = {2013}
 , volume = {12}
 , journal = {Nice Journal}
 , comments = {A comment}
 , keyword = {keyword1, keyword2}
}

@ARTICLE{ Baltazar2013
        , author = {Jean Baltazar}
        , title = {An amazing title}
        , year = {2013}
        , volume = {12}
        , journal = {Nice Journal}
        , comments = {A comment}
        , keyword = {keyword1, keyword2}}