Kevin Donnelly Tyler Gibson Neel Krishnaswami Stephen Magill Sungwoo Park The Inverse Method for the Logic of Bunched Implications. 466-480 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3452&spage=466 2004 conf/lpar/2004 LPAR db/conf/lpar/lpar2004.html#DonnellyGKMP04