Reviewed:

<bibtex>
    @MISC{ R-OSA-1119384.1,
           author          = {Amarasinghe, V},
           title           = {NAD biosynthesis I (from aspartate)},
           crossref        = {Reactome:R-OSA-1119384.1},
           howpublished    = {\url{http://www.reactome.org/PathwayBrowser/#R-OSA-1119384.1}},
           note            = {Reactome Pathway Knowledgebase, http://www.reactome.org/},
           month           = {June},
           year            = {2013},
           }
</bibtex>