Emmanuel Allier Laurent Fesquet Marc Renaudin Gilles Sicard Low-Power Asynchronous A/D Conversion. 81-91 2002 conf/patmos/2002 PATMOS http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2451&spage=0081 db/conf/patmos/patmos2002.html#AllierFRS02